AIIMS2001Physics-Waves
AIIMS 2001 Physics Doppler Effect MCQ Question
Type: MCQ-numerical-Medium-Class 11
A source of frequency 240 Hz is moving towards an observer with a velocity of 20 m/s. The observer is now moving towards the source with a velocity of 20 m/s. Apparent frequency heard by observer, if velocity of sound is 340 m/s, is
A
268 Hz
B
270 Hz
C
360 Hz
D
240 Hz
Correct Answer
Option B
Detailed Explanation
Using the Doppler effect formula, the apparent frequency is calculated considering both source and observer are moving towards each other.
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