1.
When the source of sound moves away form a stationary listener then _________ occurs.
2.
A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency?
3.
Which one is the correct relation for fundamental frequency of open and closed pipe?
4.
In open organ pipe
5.
The dimension of elastic modulus ? is
6.
The particles in the wave separated through __________ multiple of ? are out of phase to each other
7.
Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are
8.
Newton estimated the speed of sound
9.
Laplace found that the alternate compressions and rarefactions produced in sound waves follows
10.
The speed of sound in hydrogen is __________ time than that in oxygen
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