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Subjects
Science CBSE
Class 9
Sound
Production, propagation and types of sound
13.
Riddles on sound waves
Exercise condition:
4
m.
Fill the blanks using the given options
:
Compression
Amplitude
Rarefaction
Ultrasound
Thrust
Fluid
SONAR
Cochlea
ECG
1)
I can break kidney stones into fine grains. Who am I?
2)
It is the region of low pressure in a longitudinal wave. The term 'It' refers to?
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