What is the Nature of Sound Waves? - Physics

What is the nature of sound waves?

One Line Answer

Sound waves are mechanical in nature.

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Chapter 3: Sound - Exercise 3.1 ii [Page 136]

Chapter 3 Sound
Exercise 3.1 ii | Q 3 | Page 136

Fill in the blank.

We can hear sounds of frequency in the range of _______

Select the correct alternative :

We can distinguish a shrill sound from a flat sound by its

List four substances which are good absorbers of sound.

What is loudness of sound? What factors does it depend on?

How are the wave velocity V, frequency f and wavelength λ of a wave related? Derive the relationship.

In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.

Explain how the principle of echo is used by
The dolphin to locate small fish as its prey.

Consider the statement given below and choose the correct option.

Assertion: When lightning strikes, the sound is heard a little after the flash is seen.

Reason: The velocity of light is greater than that of the sound.

A sound wave travels 2000 m in 8 s. What is the velocity of the sound?

Find the odd one out.