An ultrasonic pulse is sent through an aluminium slab

PHYSICS · Subjective · CBSE · Physics · Sound · Sound

Problem

An ultrasonic pulse is sent through an aluminium slab. The pulse is reflected from the far side and returns to the detector after

3.0 \times 10^{-4}\,\text{s}

. If the speed of sound in aluminium is

6400\,\text{m/s}

, calculate the thickness of the slab.