AIIMS2011Physics-Waves
AIIMS 2011 Physics Sound Waves MCQ Question
Type: MCQ-conceptual-Medium-Class 11
If man were standing unsymmetrically between parallel cliffs, claps his hands and starts hearing a series of echoes at intervals of 1 s. If speed of sound in air is 340 m s⁻¹, the distance between two cliffs would be
A
340 m
B
510 m
C
170 m
D
680 m
Correct Answer
Option B
Detailed Explanation
Let x be distance of person from one cliff and y be distance of person from 2nd cliff. Let y > x.
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