An athlete claimed that his timing for a 100 m dash should be corrected because the starting signal was gives by a gun fired from a point 10 m away from him and the timekeeper was standing close to the gun. The error due to this could be (in seconds) :

A. 0.03 sec

B. 0.1 sec

C. 0.5 sec

D. 0.7 sec

Answer: Option A

Solution(By Examveda Team)

Error = Time taken to cover 10 m at 300 m/sec
    = $$\frac{10}{300}$$ sec
    = $$\frac{1}{30}$$ sec
    = 0.03 sec