Sound propagates in air or gases through
compressions
rarefactions
both a and b
none of these
Sound travels faster in
liquid
solids
gases
Odd one out.1. Sitar 2. Violin 3. Bugle 4. Sarangi
1
2
3
4
Sound waves cannot travel through
soild
vacuum
Loudness level of an ordinary conversation is:
40 - 60 dB
100 - 200 dB
10 dB
90 dB
Which one of the following is wind instrument?
Piano
Harmonium
Guitar
Flute
The time period of wave is 0.25 sec. Find its frequency?
2 KHz
25 KHz
2.5 KHz
4 KHz
Arms of tuning fork are known as
prongs
stem
fork
None of these
Loudness depends on the ,
Frequency
Amplitude
Wave length
Human can hear sound up to
50 KHz
120 KHz
20 KHz
