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Sound

Distinguish between loudness
and intensity of sound.

10/11/2024

Science

9th

Sound

A person is listening to a tone of
500 Hz sitting at a distance of
450 m from the source of the
sound. What is the time interval
between successive compressions
from the source?

10/11/2024

Science

9th

Sound

Calculate the wavelength of a
sound wave whose frequency is
220 Hz and speed is 440 m/s in
a given medium.

10/11/2024

Science

9th

Sound

How are the wavelength and
frequency of a sound wave
related to its speed?

10/11/2024

Science

9th

Sound

What are wavelength, frequency,
time period and amplitude of a
sound wave?

10/11/2024

Science

9th

Sound

Guess which sound has a higher
pitch: guitar or car horn?

10/11/2024

Science

9th

Sound

Which wave property determines
(a) loudness, (b) pitch?

10/11/2024

Science

9th

Sound

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

10/11/2024

Science

9th

Sound

Why are sound waves called
mechanical waves?

10/11/2024

Science

9th

Sound

Explain how sound is produced
by your school bell.

10/11/2024

Science

9th