Special theory of relativity — CSIR Net PYQ (Question 3)

A Special theory of relativity previous-year question (PYQ) from Classical Mechanics (CSIR Net). Read the question, check the correct answer, then practise the full topic.

Question 3 of 27 · 3.5 marks

Consider three inertial frames of reference

A

B

and

C

. The frame

B

moves with a velocity

c /2

with respect to A , and C moves with a velocity

c /10

with respect to

B

in the same direction. The velocity of C as measured in A is

1 $\frac{3 c}{7}$
2 $\frac{4 c}{7}$
3 $\frac{c}{7}$
4 $\frac{3 c}{7}$

Correct answer: Option 2

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This Special theory of relativity PYQ is part of the Classical Mechanics section of CSIR Net. Browse more Special theory of relativity questions or join the PhysicsByAaryan live batch for full conceptual coverage.