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Science TNSB Mentoring
Class 10 Crash course
Acoustics
Assignment 1
2.
Velocity of sound waves
Question:
4
m.
Choose the right answer:
1
.
When a sound wave travels through air, the air particles __________.
vibrate but not in any fixed direction
vibrate along the direction of the wave motion
do not vibrate
vibrate perpendicular to the direction of the wave motion
2
.
If a sound wave travels with a frequency of \(1.25×10^4\) \(Hz\) at \(344\) \(m/s\), the wavelength will be __________.
0.2752 \(m\)
0.02752 \(m\)
2.752 \(m\)
27.52 \(m\)
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