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ICS Part 1 Physics
Chapter 11 Test
Start Chapter 11 Test
MCQ's Test For Chapter 11 "Physics ICS Part 1 Chapter 11 Online Test"
Try The MCQ's Test For Chapter 11 "Physics ICS Part 1 Chapter 11 Online Test"
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Total Questions17
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Time Allowed20
Physics ICS Part 1 Chapter 11 Online Test
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Question # 1
The length of rod at rest as measurd by an observer moving parallel to it with relativistic speed is given by
Question # 2
The mass of an object will be doubled at the speed.
Question # 3
A photon is particle of light. What is its mass when it moves with 0.9 C?
Question # 4
If a space craft of rest legnth 'lo' is movng with a speed equal to speed of light, then its relativstic legnth l , will be
Question # 5
The theory of relativity was proposed in
Question # 6
A no intertial frame of reference.
Question # 7
The energy 'E' eqivalent to mass given by
Question # 8
If an observeris moving in the same direction as a sound wave, the velocity of the wave seems to be
Question # 9
The speed of beam light of a car while moving with high speed as compared to its rest positionis
Question # 10
Relativistic mechanics yields results different from classical mechanics for objects moving with.
Question # 11
If a material object moves with the speed of light 'c' its mass becomes
Question # 12
it the rest mass of a particle mo increased to m due to its high speed then its kinetic energy is.
Question # 13
Which one of the following physical quantities is indpednent of relativistic speed.
Question # 14
Relativistic velocity is of the order of.
Question # 15
A rod at rest appears to an observer just a mere point when he moves across it as speed.
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11th Class ICS Physics Chapter 11 Test
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| Sr.# | Question | Answer |
|---|---|---|
| 1 |
The length of rod at rest as measurd by an observer moving parallel to it with relativistic speed is given by |
A.
l = lo [1 - V2/C2]
B.
l = l0 1 -V2/C2
C.
l = lo / 1- V2C2
D.
l0 = l 1- V2/C2 |
| 2 |
The mass of an object will be doubled at the speed. |
A.
2.6 x 10 7 m/s
B.
1.6 x 108 m/s
C.
2.6 x 108 m/s
D.
None of these |
| 3 |
A photon is particle of light. What is its mass when it moves with 0.9 C? |
A.
9.1 x 10-31 kg
B.
1.67 x 10-19 kg
C.
1.67 x 10-27 kg
D.
Zeri |
| 4 |
If a space craft of rest legnth 'lo' is movng with a speed equal to speed of light, then its relativstic legnth l , will be |
A.
l = lo
B.
l = lo/2
C.
l = 0
D.
All of these |
| 5 |
The theory of relativity was proposed in |
A.
1920
B.
1905
C.
1915
D.
1895 |
| 6 |
A no intertial frame of reference. |
A.
Moves with some acceleration
B.
Is always rest on earth
C.
Moves with uniform velocity
D.
All of the above |
| 7 |
The energy 'E' eqivalent to mass given by |
A.
Ec2
B.
E/C2
C.
E/C
D.
C2/E |
| 8 |
If an observeris moving in the same direction as a sound wave, the velocity of the wave seems to be |
A.
Less
B.
More
C.
Constant
D.
Sum of the two velocities |
| 9 |
The speed of beam light of a car while moving with high speed as compared to its rest positionis |
A.
Greater
B.
Less
C.
Same
D.
Zero |
| 10 |
Relativistic mechanics yields results different from classical mechanics for objects moving with. |
A.
Low velocity
B.
Velocity equal to that of sound waves
C.
Veloitiy geater than sound waves
D.
Velocity approaching that of lignt |
| 11 |
If a material object moves with the speed of light 'c' its mass becomes |
A.
Equal to its rest mass
B.
Infinite
C.
Four times of its rst mass
D.
Double of its rest mass |
| 12 |
it the rest mass of a particle mo increased to m due to its high speed then its kinetic energy is. |
A.
( m - mo ) c2
B.
1/2 mv2
C.
1/2 mc2
D.
1/2 (m -mo0 |
| 13 |
Which one of the following physical quantities is indpednent of relativistic speed. |
A.
Charge
B.
Length
C.
Mass
D.
Time |
| 14 |
Relativistic velocity is of the order of. |
A.
1/15 of the velocity of light
B.
1/20 of the velocity of light
C.
1/10 of the velocity of light
D.
1/25 of the velocity of light |
| 15 |
A rod at rest appears to an observer just a mere point when he moves across it as speed. |
A.
Equal to the speed of light
B.
Double the speed of light
C.
Three-fourth the speed of light
D.
None of the above |
Test Questions
