Optics Question 117
Question: A person runs with a speed u towards a bicycle moving away from him with speed v. The person approaches his image in the mirror fixed at the rear of bicycle with a speed of
Options:
A) u - v
B) u - 2v
C) 2u - v
D) 2(u - v)
Show Answer
Answer:
Correct Answer: D
Solution:
Velocity of approach of man towards the bicycle = (u - v) Hence velocity of approach of image towards man is 2(u - v).
