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Objective Questions

Latest JK SET Physical Sciences Exam Question (Objective Questions), MCQ in English

Subjects : Physical Science

Question Bank JK SET Physical Sciences Exam Paper 2 - English

Physical Science

Question 1Single Answer

A granite block of 2m × 5m × 3m size is cut into
5 cm thick slabs of 2 m × 5 m size. These slabs are laid over a 2 m wide pavement. What is the length of the pavement that can be covered with these slabs?

A
100 m
B
200 m
C
300 m
D
500 m

Question 2Single Answer

Which is the least among the following?
0.33^0.33 , 0.44^0.44, 0.55^–1/p , e^–1/e

A
0.33^0.33
B
0.44^0.44
C
^0.1–1/p
D
e^–1/e

Question 3Single Answer

What is the next number in this “see and tell” sequence?
1 11 21 1211 111221 .........

A
312211
B
1112221
C
1112222
D
1112131

Question 4Single Answer

The frequency range of Ultra High Frequency (UHF) is __ ?

A
3 to 10 Megahertz
B
3 to 30 Megahertz
C
300 to 3000 Megahertz
D
300 to 30000 Megahertz

Question 5Single Answer

A peacock perched on the top of a 12 m high tree, spots a snake moving towards its hole at the base of the tree from a distance equal to thrice the height of the tree. The peacock flies towards the snake in a straight line and they both move at the same speed. At what distance from the base of the tree will the peacock catch the snake?

A
16 m
B
18 m
C
14 m
D
12 m

Question 6Single Answer

The cities of a country are connected by intercity roads. If a city is directly connected to an odd number of other cities, it is called an odd city. If a city is directly connected to an even number of other cities, it is called an even city. Then which of the following is impossible?

A
There are an even number of odd cities
B
There are an odd number of odd cities
C
There are an even number of even cities
D
There are an odd number of even cities

Question 7Single Answer

What is the work done by centripetal force in case of Uniform Circular Motion ?

A
1 joule
B
0 joule
C
Depends on the magnitude of Force
D
None of the above

Question 8Single Answer

Which of the following are Polar vectors ?

A
Displacement
B
Force
C
Both a and b
D
None

Question 9Single Answer

string of diameter 1 mm is kept on a table in the shape of a close flat spiral i.e., a spiral with no gap between the turns. The area of the table occupied by the spiral is 1 m2. Then the length of the string is

A
10 m
B
10² m
C
10³ m
D
10⁶ m

Question 10Single Answer

25% of 25% of a quantity is x% of the quantity where x is

A
6.25%
B
12.5%
C
25%
D
50%

Question 11Single Answer

One of the four –A, B, C and D – committed a crime. A said, “I did it.” B said, “I didn’t.” C said. “B did it.” D said, “A did it.” Who is lying?

Question 12Single Answer

A farmer gives 7 full, 7 half-full and 7 empty bottles of honey to his three sons and asks them to share these among themselves such that each of them gets the same amount of hooey and the same number of bottles. In how many ways can this be done? (bottles cannot be distinguished otherwise, they are sealed and cannot be broken)

Question 13Single Answer

If the roots of the equation a(b – c) x² + b(c – a) x + c(a – b) = 0 are equal, then a, b, c are in

A
AP
B
GP
C
HP
D
None of these

Question 14Single Answer

What is the next number in the following sequence?
39, 42, 46, 50, ......

A
52
B
53
C
54
D
55

Question 15Single Answer

A student buys a book from an online shop at 20% discount. His friend buys another copy of the same book in a book fair for Re. 192 paying 20% less than his friend. What is the full price of the book?

A
Re. 275
B
Re. 300
C
Re. 320
D
Re. 392

Question 16Single Answer

Suppose n is a positive integer. Then ( n²+ 1) (2n + 1)

A
may not be divisible by 2
B
is always divisible by 2 but may not be divisible by 3
C
is always divisible by 3 but may not be divisible by 6
D
is always divisible by 6

Question 17Single Answer

Which of the following is the largest practical unit of mass ?

A
Slug
B
a.m.u
C
Hyperkg
D
C.S.L

Question 18Single Answer

Every time a ball falls to ground, it bounces back to half the height it fell from. A ball is dropped from a height of 1024 cm. The maximum height from the ground to which it can rise after the tenth bounces is

A
102.4 cm
B
1.24 cm
C
1 cm
D
2 cm

Question 19Single Answer

A circle of radius 7 units lying in the fourth quadrant touches the x-axis at (10, 0). The centre of the circle has coordinates

A
(7, 7)
B
(–10, 7)
C
(10, –7)
D
(7, –7)

Question 20Single Answer

A cylinder of radius 1 cm and height 1 cm is broken into three pieces. Which of the following must be true?

A
At least one piece has volume equal to 1 cm³
B
At least two pieces have equal volumes
C
At least one piece has volume less than 1 cm³
D
At least one piece has volume greater than 1 cm³

Question 21Single Answer

Consider the set of numbers {171, 172, ..., 17300}. How many of these numbers end with the digit 3 ?

A
60
B
75
C
100
D
150

Question 22Single Answer

Average yield of a product in different years is shown in the histogram. If the vertical bars indicates variability during the year, then during which year was the per cent variability over the average of that year the least?

A
2000
B
2001
C
2002
D
2003

Question 23Single Answer

A rectangle of length d and breadth d/2 is revolved once completely around its length and once around its breadth. The ratio of volumes swept in the two cases is

A
1 : 1
B
1 : 2
C
1 : 3
D
1 : 4

Question 24Single Answer

A long ribbon is wound around a spool up to a radius R. Holding the tip of the ribbon, a boy runs away from the spool with a constant speed maintaining the unwound portion of the ribbon horizontal. In 4 minutes, the radius of the wound portion becomes

In what further time, it will become R/2?

A
B
2 min
C
D
4 min

Question 25Single Answer

If n is a positive integer, then n(n + 1) (n + 2) (n + 3) (n + 4) (n + 5) (n + 6) is divisible by

A
3 but not 7
B
3 and 7
C
7 but not 3
D
neither 3 nor 7

Question 26Single Answer

The area (in m2) of a triangular park of dimensions 50 m, 120 m and 130 m is

A
3000
B
3250
C
5550
D
7800

Question 27Single Answer

Lunch-dinner pattern of a person for m days is given below. He has a choice of a VEG or a NON-VEG meal for his lunch/dinner :
1. If he takes a NON-VEG lunch, he will have only VEG for dinner.
2. He takes NON-VEG dinner for exactly 9 days.
3. He takes VEG lunch for exactly 15 days.
4. He takes a total of 14 NON-VEG meals.
What is m?

A
18
B
24
C
20
D
38

Question 28Single Answer

A bank offers a scheme wherein deposits made for 1600 days are doubled in value, the interest being compounded daily. The interest accrued on a deposit of Rs. 1000/- over the first 400 days would be Rs.

A
250
B
183
C
148
D
190

Question 29Single Answer

What is the next number of the following sequence?
2, 3, 4, 7, 6, 11, 8, 15, 10 ...

A
12
B
13
C
17
D
19

Question 30Single Answer

Two locomotives are running towards each other with speeds of 60 and 40 km/h. An object keeps on flying to and fro from the front tip of one locomotive to the front tip of the other with a speed of 70 km/h. After 30 minutes, the two locomotives collide and the object is crashed. What distance did the object cover before being crushed?

A
50 km
B
45 km
C
35 km
D
10 km

Question 31Single Answer

Five congruent rectangles are drawn inside a big rectangle of perimeter 165 as shown. What is the perimeter of one of the five rectangles?

A
37
B
75
C
15
D
165

Question 32Single Answer

At one instant, the hour hand and the minute hand of a clock are one over the other in between the markings for 5 and 6 on the dial. At this instant, the tip of the minute hand

A
is closer to the marking for 6
B
is equidistant from the markings for 5 and 6
C
is closer to marking for 5
D
is equidistant from the markings for 11 and 12

Question 33Single Answer

There are two buckets A and B. Initially A has 2 litres of water and B is empty. At every hour 1 litre of water is transferred from A to B followed by returning 1/2 litre back to A from B half an hour later. The earliest A will get empty is in

A
5 hours
B
4 hours
C
3 hourd
D
2 hours

Question 34Single Answer

A car is moving at 60 km/h. The instantaneous velocity of the upper most points of its wheels is

A
60 km/h forward
B
120 km/h forward
C
60 km/h backward
D
120 km/h backward

Question 35Single Answer

Density of a rice grain is 1.5 g/cc and bulk density of rice heap is 0.80 g/cc. If a 1 litre container is completely filled with rice. What will be the approximate volume of pore space in the container?

A
350 cc
B
465 cc
C
550 cc
D
665 cc

Question 36Single Answer

If D + I + M = 1501
C + I + V + I + L = 157
L + I + V + I + D = 557
C + I + V + I + C = 207
What is V + I + M = ?

A
Canot be found
B
1009
C
1006
D
509

Question 37Single Answer

Four circles of unit radius each are drawn such that each one touches two others and their centres lie on the vertices of a square. The area of the region enclosed between the circles is

A
x – 1
B
x – 2
C
3 – x
D
4 – x

Question 38Single Answer

In each of the following groups of words is a hidden number, based on which you should arrange them in descending order. Pick the correct answer.
1. Papers I Xeroxed
2. Wi-Fi veteran
3. Yourself ourselves
4. Breaks even

A
4, 2, 3, 4
B
1, 3, 2, 4
C
4, 2, 3, 1
D
4, 1, 2, 3

Question 39Single Answer

A shopkeeper purchases a product for Rs. 100 and sells it making a profit of 10%. The customer resells it to the same shopkeeper incurring a loss of 10%. In these dealings the shopkeeper makes

A
No profit, no loss
B
Rs. 11
C
Re. 1
D
Rs. 20

Question 40Single Answer

A person walks downhill at 10 km/h, uphill at 6 km/h and on the plane at 7.5 km/h. If the person takes 3 hours to go from a place A to another place B, and 1 hour on the way back, the distance between A and B is

A
15 km
B
23.5 km
C
16 km
D
Given data is insufficient to calculate trffe distance

Question 41Single Answer

There is an equilateral triangle in the XY plane with its centre at the origin. The distance of its sides from the origin is 3.5 cm. The area of its circumcircle in cm² is

A
38.5
B
49
C
63.65
D
154

Question 42Single Answer

A sphere of iron of radius R/2 fixed to one end of a string was lowered into water in a cylindrical container of base radius R to keep exactly half the sphere dipped. The rise in the level of water in the container will be

A
R/3
B
R/4
C
R/8
D
R/12

Question 43Single Answer

A crystal grows by stacking of unit cells of 10 × 20 × 5 nm size as shown in the diagram given below. How many unit cells will make a crystal of 1 cm³ volume?

A
10⁶
B
10⁹
C
10¹²
D
10¹⁸

Question 44Single Answer

What is the value of

Question 45Single Answer

A solid cylinder of basal area A was held dipped in water in a cylindrical vessel of basal area 2A vertically such that a length h of the cylinder is immersed. The lower tip of the cylinder is at a height h from the base of the vessel. What will be the height of water in the vessel when the cylinder is taken out ?

A
2h
B
C
D

Question 46Single Answer

Of all the triangles that can be inscribed in a semicircle of radius R with the diameter as one side, the biggest one has the area

A
R²
B
R²
C
R²
D
2R²

Question 47Single Answer

Choose the largest number

A
2⁵⁰⁰
B
3⁴⁰⁰
C
4³⁰⁰
D
5²⁰⁰

Question 48Single Answer

A daily sheet calendar of the year 2013 contains sheets of 10 × 10 cm size. All the sheets of the calendar are spread over the floor of a room of 5m × 7.3 m size. What percentage of the floor will be covered by these sheets?

A
0.1
B
1
C
10
D
100

Question 49Single Answer

How many rectangles (which are not squares) are there in the following figure?

A
56
B
70
C
86
D
100

Question 50Single Answer

Define

What is the value of

Here 1 cm = least common multiple and gcd = greatest common divisor.

A
145
B
286
C
436
D
572

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Physical Science

Question 51Single Answer

Find the missing letter
A   B   C   D
F I L   O
K   P   U   Z
P W   D   ?

Question 52Single Answer

Consider a right-angled triangle ABC where AB = AC = 3. A rectangle APOQ is drawn inside it, as shown, such that the height of the rectangle is twice its width. The rec tangle is moved horizontally by a distance 0.2 as shown schematically in the diagram (not to scale).

What is the value of the ratio

A
625
B
400
C
225
D
125

Question 53Single Answer

80 gsm paper is cut into sheets of 200 mm × 300 mm size and assembled in packets of 500 sheets. What will be the weight of a packet? (gsm = g/m²)

A
1.2 kg
B
2.4 kg
C
3.6 kg
D
4.8 kg

Question 54Single Answer

Three indentical flat equilateral-triangular plates of side 5 cm each are placed together such that they form a trapezium. The length of the longer of the two parallel sides of this trapezium is

A
B
C
10 CM
D

Question 55Single Answer

An archer climbs to the top of a 10 m high building and aims at a bird atop a tree 17 m away. The line of sight from the archer to the bird makes an angle of 45° to the horizontal. What is the height of the tree?

A
17 m
B
27 m
C
37 m
D
47 m

Question 56Single Answer

Consider the set of numbers {17¹, 17², ..., 17³⁰⁰}. How many of these numbers end with the digit 3 ?

A
60
B
75
C
100
D
150

Question 57Single Answer

Find the missing number in the triangle.

A
16
B
96
C
50
D
80

Question 58Single Answer

The time gap between the two instants, one before and one after 12.00 noon, when the angle between the hour hand and the minute hand is 66°, is

A
12 minute
B
16 minute
C
18 minute
D
24 minute

Question 59Single Answer

A merchant buys equal number of shirts and trousers and pays Rs. 38000. If the cost of 3 shirts is Rs. 800 and that of a trouser is Rs. 1000, then how many shirts were bought?

A
60
B
30
C
15
D
10

Question 60Single Answer

In the growing year of child m the height increases as the squareroot of the age while the weight increasesin the direct proportion to the age. The ratio of the weight ti the square of the height in this pharse of growth

A
is constant
B
reduct with age
C
increase with age
D
is constant only if the weight and height at birth are both zero

Question 61Single Answer

Each of the following pairs of words hides a number, based on which you can arrange them in ascending order. Pick the correct answer :

I. Cloth reel J. Silent wonder

K. Good tone L. Bronze rod

A
L, K, J, I
B
I, J, K,L
C
K, L, J, I
D
K, J, I, L

Question 62Single Answer

Which one of the following has the highest value of specific heat ?

A
Alcohol
B
Methane
C
Kerosene
D
Water

Question 63Single Answer

A 12 m × 4 m rectangular roof is resting on four 4 m tall thin poles. Sunlight falls on the roof at an angle of 45° from the east, creating a shadow on the ground. What will be the area of the shadow?

A
24 m²
B
36 m²
C
48 m²
D
60 m²

Question 64Single Answer

If Here a, b, c and d are digits. Then a + b =

A
4
B
9
C
11
D
16

Question 65Single Answer

The maximum number of points formed by intersection of all pairs of diagonals of convex octagon is

A
70
B
400
C
120
D
190

Question 66Single Answer

Find the height of a box of base area 24 cm נ 48 cm, in which the longest stick that can be kept is 56 cm long

A
8 cm
B
2 cm
C
37.5 cm
D
16 cm

Question 67Single Answer

The product of the perimeter of a triangle, the radius of its in-circle, and a number gives the area of the triangle. The number is

A
1/4
B
1/3
C
1/2
D
1

Question 68Single Answer

An infinite row of boxes is arranged. Each box has half the volume of the previous box. If the largest box has a volume of 20 cc, what is the total volume of all the boxes?

A
Infinite
B
400 cc
C
40 cc
D
80 cc

Question 69Single Answer

Find the missing element based on the given pattern

Question 70Single Answer

By reading the accompanying graph, determine the INCORRECT statement out of the following

A
Melting point increases with pressure
B
Melting point decreases with pressure
C
Boiling point increases with pressure
D
Solid, liquid and gas can co-exist at the same pressure and temperature

Question 71Single Answer

An infinite number of identical circular discs each of radius

are tightly packed such that the centers of the discs are at integer values of coordinates x and y . The ratio of the area of the uncovered patches to the total area is .

Question 72Single Answer

It takes 5 days for a steamboat to travel from A to B along a river. It takes 7 days to return from B to A. How many days will it take for a raft to drift from A to B (all speeds stay constant ) ?

A
13
B
35
C
6
D
12

Question 73Single Answer

“ My friend Raju has more than 1000 books “, said Ram . “ Oh no , he has less than 1000 books”, said Shyam .’’ Well , Raju certainly has at least one books “, said Geeta . If only one of these statements is true , how many books does Raju have ?

A
1
B
1000
C
999
D
1001

Question 74Single Answer

Of the following , Which is the odd one out ?

A
Cone
B
Tours
C
Sphere
D
both 1&2

Question 75Single Answer

A student appearing for an exam is declared 1oto have failed the exam if his /her score.This implies

A
¼ of the students appearing for the exam always fail
B
if a student scores less than ¼ of the maximum score, he/ she always fails
C
if a students scores more than ½ of the maximum score, he/she always Passes
D
It is possible that no one fails

Question 76Single Answer

Find the next figure ‘D'

Question 77Single Answer

N is a four digit number . If the leftmost digit is removed , the resulting three digit number is 1/9 ^th of N. How many such N are possible ?

A
10
B
9
C
8
D
7

Question 78Single Answer

AB and CD are two chords of a circle subtending 60^o and 120^o respectively at the same point on the circumference of the circle . Then AB:CD

A
B
C
1:1
D

Question 79Single Answer

Which of the following inferences can be drawn from the above graph?

A
The total number of students qualifying in physics in 2015 and 2014 is the same
B
The number of students qualifying in Biology in 2015 is less than that in 2013
C
The number of Chemistry students qualifying in 2015 must be more than the number of students who qualified in Biology in 2014
D
The number of students qualifying in physics in 2015 is equal to the number of students in Biology that qualified in 2014

Question 80Single Answer

What is the minimum number of moves required to transform figure 1 to figure 2 ? A move is defiend as removing a coin and placing it such that it touches two other coins in its new position

Question 81Single Answer

The relatiopnship among the numbers in each corner squre is the same as that in the other corner squres . Find the missing

A
10
B
8
C
6
D
12

Question 82Single Answer

Which of the following best approximates sin (0.5^o )?

A
0.5
B
C
D

Question 83Single Answer

What comes next in the sequence ?

Question 84Single Answer

Which of the following statements is logically incorrect

A
I always speak the truth
B
I occasionally lie
C
I occasionally speak the truth
D
I always lie

Question 85Single Answer

How many times strating at 1:00 pm would the minute and hour hands of clock make an angle of 40^o with each other in the next 6 hour ?

A
6
B
7
C
11
D
12

Question 86Single Answer

Brothers Santa and Chris walk to school from their house .The former takes 40 minutes While the latter , 30 minutes. One day Santa Started 5 minutes earlier than Chris. In how many minutes would Chirs overtake Santa ?

A
5
B
15
C
20
D
25

Question 87Single Answer

The set of numbers (5,6,7,m,6,7,8,n) has an arthimetic mean of 6 and mode (most frequency occuring number ) of 7. Then = mX n =

A
18
B
35
C
28
D
14

Question 88Single Answer

The diagram shows a block of marble having the shape of a triangular prism. What is the maximum number slabs of 10X10X5 cm³ Size that can be cut parallel to the face on which the block is resting ?

A
50
B
100
C
125
D
250

Question 89Single Answer

A soild contains a spherical cavity is filled with a liqued and includes a spherical bubble of gas . The radii of cavity and gas bubble are 2 mm and 1 mm , respetively . What proportion of the cavity is filled with liquid ?

Question 90Single Answer

Fill in the blank : F2 , _______, D8, C16, B32 , A64.

A
C4
B
E4
C
C2
D
G16

Question 91Single Answer

An inverted cone is filled with water at a constant rate. The volume of water inside the cone as a function of time is represented by the curve :

Question 92Single Answer

A spacecraft flies at a constant height R above a planet of radius R. At the instant the spacecraft is over the north pole, the lowest latitude visible from the spacecraft is :

A
0° (equator)
B
30° N
C
45° N
D
45° N
E
60° N

Question 93Single Answer

An experiment consists of tossing a coin 20 times. Such an experiment is performed 50 times. The number of heads and the number of tails in each experiment are noted. What is the correlation coefficient between the two ?

A
–1
B
–20 / 50
C
20 / 50
D
1

Question 94Single Answer

Which of these groups of numbers has the smallest mean ?
Group A : 1, 2, 3, 4, 5, 6, 7, 8, 9
Group B : 1, 2, 3, 4, 6, 6, 7, 8, 9
Group C : 1, 2, 2, 4, 5, 6, 7, 8, 9
Group D : 1, 3, 3, 4, 5, 6, 7, 9, 9

Question 95Single Answer

Identical balls are tightly arranged in the shape of an equilateral triangle with each side containing n balls. How many balls are there in the arrangement ?

A
n² / 2
B
n (n + 1) / 2
C
n (n – 1) / 2
D
(n + 1)² / 2

Question 96Single Answer

A shopkeeper has a faulty pan balance with a zero offset. When an object is placed in the left. plan it is balanced by a standard 100 g weight. When it is placed in the right pan it is bálanced by a standard 80 g weight. What is the actual weight of the object ?

A
90 g
B
88.88 g
C
95 g
D
85 g

Question 97Single Answer

A and B start from the same point in opposite directions along a circular track simultaneously. Speed of B is 2 / 3 rd that of A. How many times will A and B cross each other before meeting at the starting point ?

Question 98Single Answer

Consider a solid cube of side 5 units. After painting, it is cut into cubes of 1 unit. Find the probability that a randomly chosen unit cube has only one side painted .

A
56 / 125
B
36 / 125
C
44 / 125
D
54 / 125

Question 99Single Answer

How many integers in the set {1, 2, 3, .... 100} have exactly 3 divisors ?

A
4
B
12
C
5
D
9

Question 100Single Answer

The arithmetic and geometric means of two numbers are 65 and 25, respectively. What are these two numbers ?

A
110,20
B
115,15
C
120,10
D
125,5

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Physical Science

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