Question

PHYSICS:: 202
THE SCHOOL
ccessive
IIT OLYMAI
t
21. If the distance between a crest and
adjoining trough is 20 cm. Then the way
length will be
3. Frequency
waves (or
called fra
1 1/4
or vibratio
are
4ch
al
1) 30 cm 2) 20 cm 340 cm 4) 25
22. Distance between 5th and 15th crest is 20
What is the wave-length of sound?
boir9q901
Unit: T/
is writt
of 119
Hertz
1
1) 2 cm
2) 4 cm
3) 3 cm
4) 5 CT
vibrat
said
SYNOPSIS - 3
he​

Answer 1

Answer:

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Explanation:

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