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Gate Physics Previous Year Papers. We covered all the Gate Physics Previous Year Papers in this post for free so that you can practice well for the exam.
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Gate Physics Previous Year MCQs for Students
To change the quality of sound produced by an instrument, we need to vary the :
(A) pitch
(B) amplitude
(C) loudness
(D) number of overtones
Option d – number of overtones
Which of the following pair is wrong?
(A) Pitch-frequency
(B) Quality-wave shape
(C) Loudness-intensity
(D) Intensity-velocity
Option d – Intensity-velocity
In an orchestra, the musical sounds of different instruments are distinguished from one another, by one of the following characteristics :
(A) pitch
(B) loudness
(C) quality
(D) overtones
Option c – quality
Decibel is :
(A) a musical instrument
(B) wavelength of noise
(C) a musical note
(D) the measure of the loudness of sound
Option d – the measure of the loudness of sound
It is possible to recognize a person by hearing his voice even if he is hidden behind a solid wall. This is due to the fact that his voice :
(A) has a definite pitch
(B) has definite loudness
(C) has a definite quality
(D) can penetrate the wall
Option c – has a definite quality
The loudness of the sound depends on
(A) pitch
(B) speed
(C) amplitude
(D) wavelength
Option c – amplitude
Out of the following, the pitch of which sound is maximum?
(A) Noise
(B) Music
(C) Sharp sound
(D) Harsh sound
Option c – Sharp sound
The SI unit of intensity of sound waves is :
(A) Jm²/s
(B) J/sm²
(C) Jm/s²
(D) J-s-m²
Option b – J/sm²
The same notes being played on Sitar and Veena differ in
(A) pitch
(B) quality
(C) both pitch and quality
(D) none
Option b – quality
If the amplitude of the sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be :
(A) increasing by a factor of 2
(B) decreasing by a factor of 2
(C) decreasing by a factor of 4
(D) unchanged
Option c – decreasing by a factor of 4
Wavelengths of two notes in the air are 80/195 m and 80/193 m. Each note produces 5 beats/s with a third note of a fixed frequency. The speed of sound in air is :
(A) 300 m/s
(B) 340 m/s
(C) 375 m/s
(D) 400 m/s
Option d – 400 m/s
The pitch of a musical note depends upon
(A) amplitude
(B) wavelength
(C) frequency
(D) velocity
Option c – frequency
We covered all the gate physics previous year papers above in this post for free so that you can practice well for the exam.
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