AIIMS2011Physics-Waves
AIIMS 2011 Physics Sound Waves MCQ Question
Type: MCQ-conceptual-Medium-Class 11
What is your observation when two sources are emitting sound with frequency 499 Hz and 501 Hz?
A
Frequency of 500 Hz is heard with change in intensity take place twice.
B
Frequency of 500 Hz is heard with change in intensity take place once.
C
Frequency of 2 Hz is heard with change in intensity take place once.
D
Frequency of 2 Hz is heard with change in intensity take place twice.
Correct Answer
Option A
Detailed Explanation
Frequency heard = (v1 + v2) / 2 = 500 Hz. Since the difference in intensity is 2, change in intensity take place twice.
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