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Physics — Test 24

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Question 1
When the source of sound moves away form a stationary listener then ______________ occurs?
Question 2
Which one is the correct relation for fundamental frequency of open and closed pipe ?
Question 3
Newton estimated the speed of sound _____________________?
Question 4
The speed of sound in hydrogen is _____________ time than that in oxygen?
Question 5
The speed of stationary waves in a stretched string are independent of___________________?
Question 6
Which phenomena can be applied to estimate the velocity of star with respect to earth ___________________?
Question 7
The waves that require a material medium for their propagation are called__________________?
Question 8
The number of beats produced per second is equal to____________________?
Question 9
In vibrating cord the points where the amplitude is maximum, are called ___________________?
Question 10
A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?