Back to WAVES
NEET UG PHYSICS MCQ: WAVES
1
Medium
1 of 1
Application
+4 | -1
Two sound waves with wavelength 5m and 6m respectively, each propagate in the gas with velocity 330 m/s. We except the following number of beats per second
View answer and explanation
Correct option: D
11
Option D (11) is correct because the beat frequency is the absolute difference between the frequencies of the two waves.
More Questions from WAVES
Practice All Chapter MCQs →
A sound wave in air strikes the surface of a lake and penetrates into water. If speed of sound in water is , the frequency and wavelength of waves in water are
The equation for spherical progressive wave is (where is the distance from the source)
One metre long tube, closed at both ends, is lying horizontally. A mercury column of length 0.1m is filled in its middle and in rest two parts air is filled at atmospheric pressure. When tube is turned to vertical position, then displacement of mercury will be (standard pressure = 0.76 m of Hg)
A tuning fork produces waves in a medium. If the temperature of the medium changes, then which of the following will change
In a stationary wave all the particles
A SONAR system fixed in a submarine operates at a frequency . An enemy submarine moves towards the SONAR with a speed of . What is the frequency of sound reflected by a submarine? Take the speed of sound in water to be .