State the relation between distance to an underwater reflector

PHYSICS · Single correct · CBSE · Physics · Sound · Sound

Problem

State the relation between distance

d

to an underwater reflector, the speed of sound

v

in water, and the measured round-trip time

t

of an ultrasonic pulse. (a)

d = vt

(b)

d = 2vt

(c)

d = \dfrac{vt}{2}

(d)

d = \dfrac{vt}{4}