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A person standing at a certain distance from a wall produces a loud sound. He hears the echo of the sound after 1.8 s. Calculate the distance between the wall and the observer if the velocity of sound in air is 340 m/s.

(a)

612 m

(b)

306 m

(c)

377.7 m

(d)


Question ID - 153158 :-

A person standing at a certain distance from a wall produces a loud sound. He hears the echo of the sound after 1.8 s. Calculate the distance between the wall and the observer if the velocity of sound in air is 340 m/s.

(a)

612 m

(b)

306 m

(c)

377.7 m

(d)

1 Answer
5876 Votes
3537

Answer Key : (b) -

306 m



Next Question :

An investigator team transmit an ultrasound signal to the sea bed. The signal is received back in 12 second. If the speed of sound in water is 1000 m/s, then the depth of sea is

(a)

5 km

(b)

6 km

(c)

600 m

(d)


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