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Online Tests
1st Year Fsc Physics Online Test MCQs With Answers
Question # 1
Transformation of heat other forms of energy is discussed in
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Thermal physics
Thermodynamics
Atomic physics
Nuclear physics
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Question # 2
Which quantity of the following is dimensionless.
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Angular velocity
Centripetal force
Angular acceleration
Angular displacement
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Question # 3
Stars moving away from Earth show a
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Green shift
Blue shift
Red shift
Yellow shift
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Question # 4
In blue light is used as compare to red light then fringe spacing.
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Increase
Decreases
Remain same
Becomes zero
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Question # 5
Michelson's interferometer can be used ot find the
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Velocity of light
Wavelength of light
Velocity of sound
Wavelength of sound
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Question # 6
When a fore of 100 N is acting on an object along x-axis then its vertical component will be.
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50 N
0 N
25 N
10 N
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Question # 7
The internal energy of a piece of lead when beaten by hammer will.
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Increase
Decrease
Remains constant
Increases and then decrease
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Question # 8
A diatomic gas molecules has
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Translational energy only
Rotational energy only
Vibrational energy only
All translational, Rotational and vibrational energy
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Question # 9
For maximum range the angle of projection must be
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30
o
45
o
60
o
90
o
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Question # 10
At which of the following temperature a body has maximum internal energy.
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-273
o
C
0 K
273 K
-273 K
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Question # 11
The distance between two consecutive wave front is equal to
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One wave length
Two wave length
Half wave length
Three wave length
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Question # 12
A Carnot engine has an efficiency of 50% when its sink temperature is at 27
o
C. The temperature of source.
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273
o
C
300
o
C
327
o
C
373
o
C
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Question # 13
Direction of angular acceleration is always along
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x-axis
y -axis
z-axis
The axis of rotation
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Question # 14
An immediate source of energy for our body is:
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mango
Glucose
mushroom
meat
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Question # 15
The product of rotational inertial 'I' and angular velocity ' w' is equal to.
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Torque
Linear momentum
Angular momentum
Force
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Question # 16
Which of the following is not directed along the fixed axis of rotation.
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Angular displacement
Angular momentum
Centripetal acceleration
Angular acceleration
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Question # 17
A typical diffraction grating has certain number of lines per centimeter whose range is.
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40 to 50
400 to 5000
400 to 500
4000 to 5000
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Question # 18
Usually the x-axis is taken as
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Vertical axis
Horizontal axis
+ve axis
-ve axis
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