Which one of the following is wind instrument?
Piano
Harmonium
Guitar
Flute
1 A° =
10-10 m
10 -8 m
10 10 m
None of these
Odd one out.1. Sitar 2. Violin 3. Bugle 4. Sarangi
1
2
3
4
Violin fork is
String instrument
Wind instrument
Reed instrument
Precussion instrument
Sound travels faster in
liquid
solids
gases
none of these
Which of the source produces very faint sound?
Aircraft engine
Heavy traffic
Whisper
Pneumatic drill
Fast back and forth motion of a particle is called
Vibration
Displacement
Friction
Accelaration
Sound which pleases our ears are called
Ordinary Sound
Musical Sound
Noise
Arms of tuning fork are known as
prongs
stem
fork
Loudness level of an ordinary conversation is:
40 - 60 dB
100 - 200 dB
10 dB
90 dB
