Q141 / 160 · AP EAMCET 2025 (26 MAY SHIFT 1) · Physics

When both source of sound and observer approach each other with a speed equal to $10 \%$ of the speed of sound, then the percentage change in frequency heard by the observer is nearly

A
$33.3 \%$
B
$12.2 \%$
Correct answer
C
$22.2 \%$
D
$11.1 \%$

Hence, the correct answer is option: 'C'.

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