User Forum

Subject :NSO    Class : Class 8

A man fires a gun 150 m from a cliff. A second man who is standing 300 m further away from the cliff hears the gun 1 second after he sees the flash. The second man will hear the echo from the cliff

A 1 second after seeing the flash
B 2 seconds after hearing the gun
C 2 seconds after seeing the flash
D 4 seconds after hearing the gun.

The right answer is 3 seconds after seeing the flash but that is not even there in the option. Please check

Ans 1:

Class : Class 9
Option C

Ans 2:

Class : Class 6

Ans 3:

Class : Class 8
It was 1 second after hearing the gun.

Post Your Answer