NEET UG PHYSICS MCQ: WAVES

1 Easy

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Understanding +4 | -1

What is your observation when two sources are emitting sound with frequency

499 \mathrm{~Hz}

and

501 \mathrm{~Hz}

View answer and explanation

Correct option: A

Frequency of

500 \mathrm{~Hz}

is heard with change in intensity take place twice

Option A (Frequency of 500 Hz is heard with change in intensity take place twice) is correct because the average frequency is 500 Hz and the beat frequency (change in intensity) is 2 Hz, meaning the intensity changes twice per second.

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