Skip to main content
Back to WAVES

NEET UG PHYSICS MCQ: WAVES

1 Easy
1 of 1
Application +4 | -1
A man on a cycle is moving away from a stationary source towards a hill with a velocity of 10 m/s10 \mathrm{~m} / \mathrm{s}. If the source produces a sound of frequency 170 Hz170 \mathrm{~Hz}, Find the beat frequency heard by the observer due to source and echo. The velocity of sound is 340 m/s340 \mathrm{~m} / \mathrm{s}.
View answer and explanation
Correct option: D
10 Hz10 \mathrm{~Hz}
Option D (10 Hz10 \mathrm{~Hz}) is correct because it is the difference between the frequency heard directly from the source and the frequency of the echo, considering the Doppler effect.

More Questions from WAVES

Practice All Chapter MCQs →
Type at least 2 characters or jump directly:
🔓

Save your learning progress

Sign in with a free account to save your practice answers and quiz results, then return to them when you revise.