MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

The Loudness

If the pressu...

Question

If the pressure amplitude in a sound wave is tripled, then the intensity of

sound is increased by a factor of

A

9

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

6

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
9

$I n t e n s i t y \propto (A m p l i t u d e)^{2}$

Suggest Corrections

thumbs-up

1

Similar questions

Q. If the pressure amplitude of any sound wave is increased by 100 %, then what is the % increase in its intensity ?

Q. The pressure amplitude in a medium through which sound is travelling is

1.5 \times 10^{- 3} {N/m}^{2}

and intensity is

10^{- 6} {W/m}^{2}

. If the pressure amplitude is increased to

4.5 \times 10^{- 3} {N/m}^{2}

by increasing the volume of sound then the intensity will be

Q. If the amplitude of a sound wave is tripled,
By how many

d B

will the sound level increase?

Q. A man observed the pressure amplitude in a sound wave from a wireless receiver as

4 \times 10^{- 2} {N/m}^{2}

and the intensity at a point as

10^{- 6} {W/m}^{2}

. If by turning the volume knob, the pressure amplitude is increased to

5 \times 10^{- 2} {N/m}^{2}

, evaluate the intensity.

Q. If pressure amplitude of a sound wave in a medium is tripled and the wavelength is doubled then amplitude of displacement of the particles in the medium becomes

x

times of initial value. The value of

x

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Perception of Sound

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon