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.
If a room is saturated with water vapour, the temperature of the room must be ...
A sealed flask contains 600cm3 of air at 27°C and is heated to 35°C at constant pressure. Th...
If an object just begins to slide on a surface inclined at 30o to the horizontal,the coefficien...
Which of the following is TRUE of the particles emitted in radioactive disintegration? ...
An electric lamp rated 120W is used on a 240Vrms, calculate the resistance of its filament ...