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Objective Questions

Latest SSB Odisha Lecturer Physics Exam Question (Objective Questions), MCQ in English

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Question Bank SSB Odisha Lecturer Physics Exam - English

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Physics

Question 1Single Answer

Temperature can be expressed as derived quantity in terms of

A
length and mass
B
mass and time
C
length, mass and time
D
None of these

Question 2Single Answer

Electron volt is a unit of

A
potential difference
B
charge
C
energy
D
capacity

Question 3Single Answer

Dimensions of impulse are

A
[MLT ^–1]
B
[MLT²]
C
[MT^–2]
D
[ML^–1T^–3]

Question 4Single Answer

Potential is measured in

A
joule/coulomb
B
watt/coulomb
C
newton–second
D
None of these

Question 5Single Answer

One Nanometer is equal to

A
10^–9m
B
10^–6m
C
10^–10m
D
10^–3m

Question 6Single Answer

Maxwell is the unit of

A
magnetic susceptibility
B
intensity of Magnetisation
C
magnetic Flux
D
magnetic Permeability

Question 7Single Answer

Which of the following is derived physical quantity ?

A
Mass
B
Velocity
C
Length
D
Time

Question 8Single Answer

What are the units of magnetic permeability ?

A
Wb A^–1 m^–1
B
Wb^–1 Am
C
Wb A m^–1
D
Wb A^–1 m

Question 9Single Answer

The dimensions of pressure gradient are

A
[ML^–2 T^–2]
B
[ML^–2 T^–1]
C
[ML^–1 T^–1]
D
[ML^–1 T^–2]

Question 10Single Answer

The dimensions of Rydberg's constant are

A
[M⁰L^–1T]
B
[MLT^–1]
C
[M⁰L^–1T⁰]
D
[ML⁰T²]

Question 11Single Answer

'Farad' is the unit of

A
resistance
B
conductance
C
capacitance
D
inductance

Question 12Single Answer

S.I. unit of surface tension is

A
degree/cm
B
N/m
C
N/m²
D
Nm

Question 13Single Answer

Which one of the following pairs does not have the same dimension ?

A
Potential energy and Kinetic energy
B
Density and specific gravity
C
Focal length and height
D
Gravitational force and frictional force

Question 14Single Answer

Which one of the following physical quantity has the same unit as that of pressure ?

A
Angular momentum
B
Stress
C
Strain
D
Work

Question 15Single Answer

The symbol of SI unit of inductance is H. It stands for

A
Holm
B
Halogen
C
Henry
D
Hertz

Question 16Single Answer

Light year is a measure of

A
time
B
distance
C
total amount of light falling on the Earth in a year
D
average intensity of light falling on the Earth in a year

Question 17Single Answer

Which one of the following is not a dimension less quantity ?

A
Strain
B
Relative density
C
Frequency
D
Angle

Question 18Single Answer

The dimensions of universal gas constant are

A
[L² M¹ T^–2 K^–1]
B
[L¹ M² T^–2 K^–1]
C
[L¹ M¹ T^–2 K^–1]
D
[L² M² T^–2 K^–1]

Question 19Single Answer

The dimensions of magnetic moment are

A
[L²A¹]
B
[L²A^–1]
C
[L²/A³]
D
[LA²]

Question 20Single Answer

The dimensions of Wien's constant are

A
[ML⁰TK]
B
[M⁰LT⁰K]
C
[M⁰L⁰TK]
D
[MLTK]

Question 21Single Answer

The dimensional formula of wave number is

A
[M⁰L⁰T^–1]
B
[M⁰L^–1T⁰]
C
[M^–1 L^–1 T⁰]
D
[M⁰ L⁰ T⁰]

Question 22Single Answer

The dimensional of Hubble ‘s wave number is

A
[T^–1]
B
[M⁰L⁰T^–2]
C
[MLT⁴]
D
[MT^–1]

Question 23Single Answer

The dimensions of solar constant is

A
[M⁰L⁰T⁰]
B
[MLT^–2]
C
[ML²T^–2]
D
MT^–3

Question 24Single Answer

The dimensional formula for entropy is

A
[MLT^–2K¹]
B
[ML² T^-2]
C
[ML²T^–2K^–1]
D
[ML²T^–2K]

Question 25Single Answer

Dimension of specific heat are

A
[ML² T^–2 K]
B
[ML² T^–2 K^–1]
C
[ML²T²K^–1]
D
[L²T^–2K^–2]

Question 26Single Answer

The physical quantity which has the dimensional formula [M¹T^–3] is

A
surface tension
B
solar constant
C
density
D
compressibility

Question 27Single Answer

Which one of the following elements is used as a timekeeper in atomic clocks ?

A
Potassium
B
Caesium
C
Calcium
D
Magnesium

Question 28Single Answer

Which one of the following is the value of one nanometer ?

A
10^–7 cm
B
10^–6 cm
C
10^–4 cm
D
10^–3 cm

Question 29Single Answer

What is the unit of pressure ?

A
Newton/sq. meter
B
Newton–meter
C
Newton
D
Newton/meter

Question 30Single Answer

The unit of pressure is

A
kg/cm²
B
kg/cm
C
kg/mm
D
kg/cm³

Question 31Single Answer

Which one of the following quantities doe not have unit ?

A
Stress
B
Force
C
Strain
D
Pressure

Question 32Single Answer

Dimensional formula for thermal conductivity is here K denotes the temperature:

A
MLT^–2K
B
MLT^–2K^–2
C
MLT^–3K
D
MLT^–3K^–1

Question 33Single Answer

Which of the following is the unit of molar gas constant ?

A
JK^–1 mol^–1
B
Joule
C
JK^–1
D
J mol^–1

Question 34Single Answer

Density of liquid is 16.8 g cm^–3. Its value in the International System of Units is

A
16.8 kgm^–3
B
168 kgm^–3
C
1680 kgm^–3
D
16800 kgm^–3

Question 35Single Answer

The dimensional formula of couple is

A
[ML² T^–2]
B
[MLT²]
C
[ML^–1T^–3]
D
[ML^–2T^–2]

Question 36Single Answer

Subtract 0.2 J from 7.26 J and express the result with correct number of significant figures.

A
7.1 J
B
7.06 J
C
7.0 J
D
7 J

Question 37Single Answer

Multiply 107.88 by 0610 and express the result with correct number of significant figures.

A
65.8068
B
65.807
C
65.81
D
65.8

Question 38Single Answer

When 97.52 is divided by 2.54, the correct result is

A
38.3937
B
38.394
C
38.39
D
38.4

Question 39Single Answer

Which of the following is the most accurate ?

A
200.0m
B
20 × 10¹ m
C
2×10²m
D
data is inadequate

Question 40Single Answer

The area of a square is 5.29 cm². The area of 7 such square taking into account the significant figures is:

A
37cm²
B
37.030 cm²
C
37.03 cm²
D
37.0 cm²

Question 41Single Answer

The SI unit of coeffient of mutual inductance of a coil is

A
henry
B
volt
C
farad
D
weber

Question 42Single Answer

The S.I. unit of pole strength is

A
Am²
B
Am
C
Am^–1
D
Am^–2

Question 43Single Answer

Which is dimensionless ?

A
Force/acceleration
B
Velocity/accerleration
C
Volume/area
D
Energy/work

Question 44Single Answer

The expression [ML^–1T^–2] does not represent

A
pressure
B
power
C
Stress
D
Young's modulus

Question 45Single Answer

The dimensional formul of current density is

A
[M⁰L^–2T^–1Q]
B
[M⁰L²T¹Q^–1]
C
[MLT^–1Q]
D
[ML^–2T^–1Q²]

Question 46Single Answer

Match the List – I with List – II
List - I                  List - II
(Units)        (Physical quantity)
A. Watt                 1. Electric charge
B. Tesla               2. Power
C. Coulomb       3. Luminous intensity
D. Candela        4. Magnetic field
Select the correct answer from the codes given below :

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

Question 47Single Answer

Match the List – I with List – II
List - I                            List - II
(Physical quantity)    (Units)
A. Power                    1. kg ms^–1
B. Energy                   2. kg m²s^–1
C. Momentum          3. Nm^–2
D. Pressure              4. kW
                                    5. kWh
Select the correct answer from the codes given below :

A
A B C D
4 5 1 3
B
4 5 1 2
C
5 4 1 2
D
5 4 2 3

Question 48Single Answer

What is the correct sequence in which the lengths of the following units increase ?
(1) Angstrom
(2) Micron
(3) Nanometer
Select the correct answer from the codes given below :

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

Question 49Single Answer

Match the List – I with List – II
List - I                                   List - II
(Physical quantitiy)           (Units)
A. Density                         1. [MLT^–2]
B. Force                            2. [ML^–3]
C. Energy                         3. [MLT^–1]
D. Momentum                 4. [ML2T^–2]
Select the correct answer from the codes given below :

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

Question 50Single Answer

Match the List – I with List – II
List - I                              List - II
(Physical quanitity)      (Units)
A. Solid angle            1. pascal
B. Impulse                  2. Steradian
C. Viscosity                3. Newton–second
D. Pressure               4. Pascal–second
Select the correct answer from the codes given below :

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

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Physics

Question 51Single Answer

Which of the following is most accurate ?

A
A screw gauge of least count 0.001 mm
B
A screw gauge having pitch 1 mm and 50 divisions on circular scale
C
A vernier callipers of least count 0.01 mm
D
Vernier callipers having 20 divisions on the sliding scale (vernier scale) coinciding 19 divisions on the main millimetre scale

Question 52Single Answer

Which of the following quantities has a unit but dimensionless ?

A
Strain
B
Reynolds number
C
Angular displacemet
D
Poisson's ratio

Question 53Single Answer

The displacement of a body at a particular second n is given by the expression The dimensional formula of S_nth in this equation is

A
[M¹L⁰T¹]
B
[M⁰L¹T⁰]
C
[M⁰L¹T^–1]
D
[M⁰L⁰T⁰]

Question 54Single Answer

The division of energy by time is X. The dimensional formula ofX is same as that of

A
momentum
B
power
C
torque
D
electric field

Question 55Single Answer

The dimensions of electromotive force in terms of correntA are

A
[MT^-2A^-2]
B
[ML²T^-2A²]
C
[ML²T^-2A ^-2]
D
[ML²T³A^-1]

Question 56Single Answer

[MLT-1] + [MLT-1] = ………………

A
[M⁰L⁰T⁰]
B
[MLT^-1]
C
2[MLT^-1]
D
None of these

Question 57Single Answer

Which physical quantities have same dimensions ?

A
Moment of couple and work
B
Force and power
C
Latent heat and specific heat
D
Work in power

Question 58Single Answer

life is charge, V the potential difference, T the temperature, then the units of

are the same as that of

A
planck’s constant
B
stefan’s constant
C
Boltzmann constant
D
gravitational constant

Question 59Single Answer

in the eqn.

(V - b) = constant, the unit of a is

A
dyne × cm⁵
B
dyne × cm⁴
C
dyne × cm³
D
dyne × cm²

Question 60Single Answer

The least count of an instrument is 0.01 cm. Which of the following reding denotes the one, measured by this instrument ?

A
1.04 cm
B
2.001 cm
C
3.1 cm
D
None of these

Question 61Single Answer

Match the List – I and List – II
        List – I                          List – II
A. Wavelength                  1. Herze
B. Energy                           2. Angstrom
C. Intensity of sound       3. Joule
D. Frequency                    4. Decibel
Select the correct answer from the codes given below :

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

Question 62Single Answer

Match the List – I and List – II
List – I                           List – II
A. Temperature            1. Kelvin
B.Power                        2. Watt
C.Pressure                  3. Pascal
D.Force                         4. Newton
Select the correct answer from the codes given below :

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

Question 63Single Answer

Match the List – I and List – II
List – I                    List – II
Acceleration          1. Joule
Electric current      2. Newton second
Work done             3. Ampere
Impulse                  4. Metre per sec2
Select the correct answer from the codes given below :

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

Question 64Single Answer

Which one of the following statements is correct ?

A
The measurement of mass taken by a spring weighing balance is correct at the place where the spring balance is calibrated for
B
The mesurment of mass taken by a spring weighing balance is correct at the all places
C
The measurement of mass taken by a spring weighing balance is correct at the place where the acceleration due to gravity is same with the place where the spring balance is calibrated for
D
A sping balance cannot be used to mesure mass at any place

Question 65Single Answer

Which one of the following statements is not correct ?

A
The SI unit charge is ampere – second
B
Debye is the unit of dipole moment
C
Resistvity of a wire of length / and area of crosssection a depends upon both / and a
D
The kinetic energy of an length of mass in kg and charge / coulomb when accelerated through a potential difference of V volt, is joule

Question 66Single Answer

If a body is moving at constant speed in a circular path, its

A
velocity is constant and its acceleration is zero
B
velocity and acceleration are both changing direction only
C
velocity and accleration are both increaing
D
velocity is constant and acceleration is changing direction

Question 67Single Answer

A graph is plotted showing the velocity of a car as a function of time. If the graph is a straight line, it means that

A
the car started at rest
B
acceleration was constant
C
acceleration was increasing
D
velocity was constant

Question 68Single Answer

If a car is traveling north on a straight road and its brakes are applied, it will

A
have no acceleration
B
accelerate to the south
C
accelerate to the north
D
accelerate either east or west

Question 69Single Answer

An object moves with a uniform velocity when

A
the forces acting on the object are balanced
B
there is no external force on it
C
Both of (a) and (b)
D
Either (a) or (b)

Question 70Single Answer

The acceleration of a car that speeds up from 12 meters per second to 30 meters per second in 15 seconds

A
2.4 m/s²
B
1.2 m/s²
C
2 m/s²
D
5.2 m/s²

Question 71Single Answer

A particle experiences constant acceleration for 20 seconds after starting from rest. If it travels a distances s₁ in the first 10 seconds and distances s₂ in the next 10 seconds, then

A
s₂ = s₁
B
s₂ = 2s₁
C
s₂ = 3s₁
D
s₂ = 4s₁

Question 72Single Answer

Motion of an object is the change in position with respect to a reference point known as

A
Origin
B
initial position
C
final position
D
distance

Question 73Single Answer

Displacement is the

A
shortest distance between initial and final position
B
the actual distance between initial and final positions
C
the distance travelled by the object
D
distance traveled by the object in a unit time

Question 74Single Answer

An object has traveled 10 km is 15 minutes, its displacement will be

A
10 km
B
Can be zero
C
More than 10 km
D
All of the Above

Question 75Single Answer

If an object covers equal distances in equal intervals of time, it is said to be in

A
Circular Motion
B
Uniform Motion
C
Oscillatory Motion
D
Non– uniform Motion

Question 76Single Answer

Average velocity of an object is obtained by.

A
Dividing the total distance traveled b the total time taken
B
Half of the sum of the initial velocity and the final velocity
C
Both (a) and (b)
D
None of the above

Question 77Single Answer

Negative value of acceleration signifies.

A
The velocity is increasing
B
The velocity is decreasing
C
The velocity remains the same
D
The object comes to rest

Question 78Single Answer

In distance–time graphs.

A
Distance is taken along the X–axis
B
Time is taken along the Y–axis
C
Straight line indicates uniform motion
D
Straight line indicates non–uniform motion

Question 79Single Answer

In velocity – time graphs.

A
Velocity is taken along the Y–axis and Time is taken along the X–axis
B
Straight line indicates uniform acceleration
C
Straight line parallel to x–axis indicates uniform motion
D
All of the above

Question 80Single Answer

The equation (s) of motion can be represented as.

A
V = u + at
B
C
2as = v² – u²
D
All of these

Question 81Single Answer

A train travels 40 km at a uniform speed of 30 km h^–1. Its average speed after traveling another 40 km is 45 km h^–1 for the whole journey. Its speed in the second half of the journey is.

A
45 km h^–1
B
90 km h^–1
C
60 km h^–1
D
None of these

Question 82Single Answer

A man walks on a straight road from his home to market 2.5km. away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. The average speed of the man over the interval of time 0 to 40 min. is equal to –

A
5 km/h
B
25/4 km/h
C
30/4 km/h
D
45/km/h

Question 83Single Answer

A ball is dropped from a window 24 meters high. How long will it take to reach the ground ?

A
2.2 s
B
1.2 s
C
4.5 s
D
0.2s

Question 84Single Answer

Mohan takes 20 minutes to cover a distance of 3.2 kilometers due north on a bicycle, his velocity in kilometer/hour-

A
8.1
B
9.6
C
1.2
D
7.2

Question 85Single Answer

A Pitcher throws his fastball horizontally at 42.1 meters per second. How far does it drop before crossing the plate, 18.3 meters away ?

A
0.8 m
B
1.2m
C
2.2m
D
0.93 m

Question 86Single Answer

Two balls A and B of same masses are thrown from the top of the building. A, thrown upward with velocity V and B, thrown downward with velocity V, then–

A
Velocity of A is more than B at the ground
B
Velocity of B is more than A at the ground
C
Both A and B strike the ground with same velocity
D
None of these

Question 87Single Answer

A ball is released from the top of a tower of height h meters. It takes T seconds to reach the ground. What is the position of the ball in T/3 seconds–

A
h/9 meters from the ground
B
7h/9 meters from the ground
C
8h/9 meters from the ground
D
17h/18 meters from the ground

Question 88Single Answer

When a bus suddenly takes a turn, the passengers are thrown outwards because of-

A
inertia of motion
B
acceleration of motion
C
speed of motion
D
Both (b) and (c)

Question 89Single Answer

A thief snatches a purse and runs due west, going 6.0 meter per second. A policeman, 15 meters to the east, sees the event and gives chase. If the officer is a good sprinter, going at 8.5 meters per second, how far does he have to run to catch the thief.

A
12 m
B
51 m
C
61 m
D
55 m

Question 90Single Answer

A car going at 24 meters per second passes a motorcycle at rest. As it passes, the motorcycle start up, accelerating at 3.2 meters per second squared. If the motorcycle can keep up that acceleration, how long will take for it to catch the car.

A
12 s
B
14s
C
20s
D
18s

Question 91Single Answer

The initial velocity of a body is 15 m/s. If it having an acceleration of 10 m/s², then the velocity of body after 10 seconds from start-

A
110 m/s
B
105 m/s
C
120 m/s
D
115 m/s

Question 92Single Answer

Which of the following can be zero, when a particle is in motion for some time ?

A
Distance
B
Displacement
C
Speed
D
None of these

Question 93Single Answer

The numerical ratio of average velocity to average speed is.

A
always less than one
B
always equal to one
C
always more than one
D
equal to or less than one

Question 94Single Answer

A passenger in a moving train tosses a coin. If the coin falls behind him, the train must be moving with.

A
an acceleration
B
a deceleration
C
a uniform speed
D
any of the above

Question 95Single Answer

A body is imparted motion from rest to move in a straigh line. If it is then obstructed, by an opposite force, then.

A
the body may necessarily change direction
B
the body is sure to slow down
C
the body will necessarily continue to move in the same direction at the same speed
D
None of these

Question 96Single Answer

Which of the following decreases in motion along a straight line with constant retardation while the body is moving away from the origin ?

A
Speed
B
Acceleration
C
Displacement
D
None of these

Question 97Single Answer

Which of the following is not an example of linear motion ?

A
An aeroplane moving on a straight track with increasing speed
B
A body in uniform circular motion
C
Wheel rotating at uniform speed on road
D
A body rolling down an inclines plane

Question 98Single Answer

Which of the following changes when a particle is moving with uniform velocity ?

A
Speed
B
Velocity
C
Acceleration
D
Position vector

Question 99Single Answer

Which one out of the following statement is false ?

A
A body can have zero velocity and still be accelerated
B
A body can have a constant velocity and still have a varying speed
C
A body can have a constant speed and still have a varying velocity
D
The direction of the velocity of a body can change when its acceleration is constant

Question 100Single Answer

What determines the nature of the path followed by the particle.

A
speed
B
velocity
C
acceleration
D
both (b) and (c)

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Latest SSB Odisha Lecturer Physics Exam Question (Objective Questions), MCQ in English

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