1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+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
MCQ (Single Correct Answer)
+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
MCQ (Single Correct Answer)
+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
MCQ (Single Correct Answer)
+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
MHT CET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12