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Science TNSB Mentoring
Class 9
Sound
Revision - Full chapter
8.
Sound properties
Question:
5
m.
Column - I
Column - II
1
. Tuning fork
The point where density of air is maximum.
The sound whose frequency is greater than 20,000 Hz.
Longitudinal wave.
Production of sound.
Maximum displacement from the equilibrium position.
2
. Sound
The point where density of air is maximum.
Production of sound.
Longitudinal wave.
Maximum displacement from the equilibrium position.
The sound whose frequency is greater than 20,000 Hz.
3
. Compressions
Production of sound.
Maximum displacement from the equilibrium position.
Longitudinal wave.
The sound whose frequency is greater than 20,000 Hz.
The point where density of air is maximum.
4
. Amplitude
Maximum displacement from the equilibrium position.
The sound whose frequency is greater than 20,000 Hz.
Production of sound.
The point where density of air is maximum.
Longitudinal wave.
5
. Ultasonics
The point where density of air is maximum.
Maximum displacement from the equilibrium position.
Production of sound.
Longitudinal wave.
The sound whose frequency is greater than 20,000 Hz.
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