0

Guest

Courses New

The intensity of sound from a point source is 1.0 x 10–8 W/m2 at a distance of 5.0 from the source. What will be the intensity at a distance of 25 m from the source?

The intensity of sound from a point source is 1.0 x 10–8 W/m2 at a distance of 5.0 from the source.
What will be the intensity at a distance of 25 m from the source?

Grade:12

1 Answers

Arun
25750 Points
6 years ago
sound intensity  is inversely proportional to r2.
hence
S1/ S2  =  (r2/ r1)2
1 * 10-8 / S2  = (25 / 5)2
S2 = 1* 10 –8/ 25
S2 = 4 * 10 –10  W/m2

Think You Can Provide A Better Answer ?

Other Related Questions on Wave Optics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More