Recent questions in Physics

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A student says that the two terms speed and frequency of the wave refer to the same thing. What is your response?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 208 views

Why must the volume of a stereo in a room with wall-to-wall carpet be turned higher than in a room with a wooden floor?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 967 views

You can listen to your friend round a corner, but you cannot watch him/her. Why?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 99 views

We can recognize persons speaking with the same loudness from their voice. How is this possible?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 284 views

Why two tin cans with a string stretched between them could .

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 647 views

What would happen to the loudness of sound with increase in.its frequency?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 315 views

Which property of sound waves determines its (a) Ioudness (b) pitch?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 806 views

Why the voice of women is more shrill than that of men?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 193 views

Suppose you and your friend are on the moon. Can you be able to hear any sound produced by your friend?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 179 views

Why are sound waves called mechanical waves?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 113 views

Explain how sound is produced by a school bell?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 96 views

How are Cracks detected in the interior of moving parts of high speed heavy machines?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 121 views

How is depth of water measured by echo method?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 105 views

What are the uses of ultrasound in medicine?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 99 views

What is ultrasound or ultrasonic?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 577 views

What is meant by audible frequency range? Does this range vary with the age of people? Explain.

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 897 views

What is meant by acoustic protection. What is its importance?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 152 views

How can noise pollution be reduced?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 198 views

Explain that noise is a nuisance.

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 186 views

Differentiate between noise and musical sounds. Also give examples.

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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