Teaching UP TGT Mock Test Series 2025 Physics Motion in a Straight Line Instantaneous velocity and speed
A person claps his hands near a high tower and hears echo after 0·2 s. The speed of the sound is 300 ms\(^{– 1}\). The distance of the tower from the person is
1
30 m
2
15 m
3
6 m
4
3 m