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12th Odisha Board
IMPORTANT
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In which of the following frames of reference, the acceleration of the particles is zero in the absence of applied force

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Important Questions on Relativity

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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 15 - Relativity>MODEL QUESTIONS>Q 13
Two photons recede from each other. Their relative velocity in terms of speed of light(C) will be 
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 15 - Relativity>MODEL QUESTIONS>Q 14
When a material particle of rest mass m attains speed c i.e. velocity of light, its mass becomes
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 15 - Relativity>MODEL QUESTIONS>Q 15
At what velocity, the kinetic energy of a particle is equal to the rest mass energy
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 15 - Relativity>MODEL QUESTIONS>Q 16
On the annihilation of a particle and its antiparticle, the energy released is E. What is the mass of each particle?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 15 - Relativity>MODEL QUESTIONS>Q 17
Which of the following is not invariant under Galilean transformation 
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 15 - Relativity>MODEL QUESTIONS>Q 18
A Metallic cube of density d moves with a speed 0.8c. Its density
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 15 - Relativity>MODEL QUESTIONS>Q 19
Which of the following can help an observer to know whether his own frame of reference is at rest or in uniform motion
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 15 - Relativity>MODEL QUESTIONS>Q 20
A cube has side lo when at rest. If the cube moves with velocity ν parallel to its one edge, then its volume becomes