Unlimited Mock On Sound Chapter | MCQ Test on Sound

Sound MCQ test for Competitive Examination | School Examination | and related examination

QUESTION 1

The length of the pendulum is doubled and the mass of its bob is halved.
Its time sperod would
(a) become double
(b) become half
(c) become √2 times
(d) remain the same

QUESTION 2

Sound waves are similar to the waves
(a) of laswer light passing through air
(b) generated in a stretched wire by hitting or plucking the wire
(c) generated in a pipe filled with air by moving the piston attached to the pipe up and down
(d) generated by the mobile phone towers

QUESTION 3

Sound travel fastest in
(a) steel (b) air
(c) water (d) vaccum

Quesstion 4

With the rise of temperature, the speed of sound in a gas
(a) Increases
(b) decreases
(c) remains the same
(d) none of these

Quesstion 5

The quality of sound produced by an instrument depends on the
(a) frequency
(b) intensity
(c) number of overtones
(d) none of these

Quesstion 6

Instrument used to study the behavior of a vibrating string is:
(a) Hygrometer
(b) Sonmeter
(c) Barometer
(d) Hydrometer

Quesstion 7

The Doppler’s effect is applicable for
(a) light wave
(b) sound wave
(c) space wave
(d) both (a) and (b)

Quesstion 8

When we hear a sound, we can identify its source from
(a) wave length of sound
(b) the overtones present in the sound
(c) the intensity of sound
(d) the amplitude of sound

Quesstion 9

Velocity of sound in air
(i) increases with temperature
(ii) decreases with temperature
(iii) increase with pressure
(iv) is independent of pressure
(v) is independent of temperature
(a) Only (i) and (ii) are true
(b) Only (ii) and (iv) are true
(c) Only (i) and (iii) are true
(d) Only (i) and (iv) are true

Quesstion 10

Beats occure because of
(a) Interference
(b) reflection
(c) refraction
(d) Doppler effect