1
MHT CET 2021 24th September Morning Shift
+1
-0

A sonometer wire of length 25 cm vibrates in unison with a tuning fork. When its length is decreased by 1 cm, 6 beats are heard per second. What is the frequency of the tuning fork?

A
200 Hz
B
72 Hz
C
100 Hz
D
144 Hz
2
MHT CET 2021 24th September Morning Shift
+1
-0

Two tuning forks of frequencies $$320 \mathrm{~Hz}$$ and $$480 \mathrm{~Hz}$$ are sounded together to produce sound waves. The velocity of sound in air is $$320 \mathrm{~ms}^{-1}$$. The difference between wavelengths of these waves is nearly

A
48 cm
B
16.5 cm
C
33 cm
D
42 cm
3
MHT CET 2021 24th September Morning Shift
+1
-0

When an air column in a pipe open at both ends vibrates such that four antinodes and three nodes are formed, then the corresponding mode of vibration is

A
first overtone
B
second overtone
C
fourth overtone
D
third overtone
4
MHT CET 2021 24th September Morning Shift
+1
-0

The wavelength of sound in any gas depends upon

A
intensity of sound waves only
B
wavelength of sound only
C
density and elasticity of the gas
D
amplitude and frequency of sound
EXAM MAP
Medical
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