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mcq on Oscillators. We covered all the mcq on Oscillators in this post for free so that you can practice well for the exam.
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mcq on Oscillators for Students
Which property helps differentiate between longitudinal and transverse sound waves?
a) Polarization
b) Interference
c) Reflection
d) Diffraction
Option a – Polarization
A tuning fork with a frequency of 160 Hz is struck alongside a sonometer wire of 25 cm length under 1.25 kg tension. How many beats per second are heard?
a) 15
b) 20
c) 10
d) 5
Option b – 20
A sonometer wire of 24.7 cm resonates at its fundamental mode with a tuning fork of 256 Hz. What is the speed of the wave in the wire?
a) 126 m/s
b) 130 m/s
c) 332 m/s
d) 350 m/s
Option a – 126 m/s
An open organ pipe has a fundamental tone of 300 Hz. If its first overtone matches that of a closed organ pipe, what is the length of the closed pipe?
a) 0.90 m
b) 0.68 m
c) 0.82 m
d) 0.41 m
Option d – 0.41 m
The quantity defined as the tangential force per unit area required to maintain a unit velocity gradient is
a) Viscosity
b) Thermal conductivity
c) Transport phenomenon
d) None of the above
Option b – Thermal conductivity
The viscosity of a gas is directly proportional to the square root of which physical property?
a) Pressure
b) Density
c) Mass
d) Temperature
Option d – Temperature
In systems with low damping, the ratio of amplitude at resonance to amplitude at zero driving frequency is known as the
a) Quality factor
b) Damping factor
c) Resonance factor
d) None of the above
Option a – Quality factor
When two oscillators are strongly coupled, resonance is observed at
a) Two frequencies that are far apart
b) A single high frequency
c) Two closely spaced frequencies
d) None of above
Option a – Two frequencies that are far apart
A system with four simple pendulums connected through stiffness coupling can oscillate in how many normal modes?
a) 3
b) 4
c) 1
d) 2
Option a – 3
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