State the main factors on which the speed of sound in a medium depends.

One Line Answer

The speed of sound depends on the density, pressure, temperature, Humidity, and Wind.

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Chapter 7: Sound - Production and Propagation of Sound [Page 278]

Chapter 7 Sound
Production and Propagation of Sound | Q 6 | Page 278

Describe a simple experiment which demonstrates that the sound produced by a tuning fork is due to vibrations of its arms.

Choose the correct word/words to complete the following sentence :

When sound travels in a medium ____________

How is the frequency of a wave related to its time period?

If you place your ear close to an iron railing which is tapped some distance away, you hear the sound twice. Explain why?

How does the following factor affect, if at all, the speed of sound in air:

Frequency of sound

How does the following factor affect, if at all, the speed of sound in air:

Pressure of air

The time period of a simple pendulum is 2 s. Find its frequency.

Define the term wavelength.

Does sound require a material medium for transmission?

Is it possible to hear your friend's voice in vacuum? Give reason for your answer.