The maximum speed of vibrations which produce audible sound will be in:
dry air
sea water
ground glass
human blood
The sound in the audible range is called
Ultrasonic sound
Sonic sound
Subsonic sound
Light sound
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
When we change a feeble sound to a loud sound, we increase its:
frequency
amplitude
speed
timbre
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
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
