Which of the following vibrates when a musical note is produced by the cymbals in an orchestra?
stretched strings
stretched membranes
metal plates
air columns
Which of the following sound frequencies can be heard by a woman having a normal hearing range?A. 25000Hz B. 15 kHz C. 40000 Hz D. 25 Hz
A and B
B and C
B and D
only D
The maximum speed of vibrations which produce audible sound will be in:
dry air
sea water
ground glass
human blood
When we change a feeble sound to a loud sound, we increase its:
frequency
amplitude
speed
timbre
A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through:
water
wax
vacuum
empty vessel
Which of the following modes is utilized in the production of sound by humans?
vibrating membranes
vibrating plates
vibrating strings
vibrating air columns
Sound can travel through:
gases only
solids only
liquids only
solids, liquids and gases
Voice of which of the following is likely to have the minimum frequency?
baby girl
baby boy
a man
a woman
The sound waves travel fastest:
in solids
in liquids
in gases
in vacuum
