The voice is produced in the
Pharynx
Trachea
Larynx
None of these
1 A° =
10-10 m
10 -8 m
10 10 m
Arms of tuning fork are known as
prongs
stem
fork
The number of oscillations made by a wave in one second is
Amplitude
Frequency
Wave length
Which of the following is produced by non-periodic vibrations?
Music
Noise
Both a and b
Which one of the following is wind instrument?
Piano
Harmonium
Guitar
Flute
Which of the source produces very faint sound?
Aircraft engine
Heavy traffic
Whisper
Pneumatic drill
The characteristics of sound which distinguishes a female voice from a male voice is called
Loudness
Pitch
Sound which pleases our ears are called
Ordinary Sound
Musical Sound
Human can hear sound up to
50 KHz
120 KHz
20 KHz
