Intensity of sound at a point is ____ its distance from t...
Intensity of sound at a point is ____ its distance from the source.
directly proportional to
inversely proportional to
directly proportional to square of
inversely proportional to square of
Correct answer is D
No explanation has been provided for this answer.
The energy contained in a wire when it extended by 0.02m by a force 500 N is ...
Whenever light waves are restricted to a specific plane they are said to be ...
The kinetic theory of photoelectron liberated from a metallic surface depends on the ...
The extension in a spring when 5g wt was hung from it was 0.56cm. If Hooke's law is obeyed, What...