If the ratio of intensities of two waves is $1 : 25$,then the ratio of their amplitudes will be

$A$ is singing a note and at the same time $B$ is singing a note with exactly one-eighth the frequency of the note of $A$. If the energies of the two sounds are equal,the amplitude of the note of $B$ is:

Consider ten identical sources of sound,all emitting the same frequency but having random phase angles. If the average intensity of each source is $I_0$,what will be the average resultant intensity $I$ due to all these ten sources?

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

If the ratio of the amplitudes of two waves is $2:1$,then the ratio of their maximum and minimum intensity is:

The intensity of sound from a radio at a distance of $2 \ m$ from its speaker is $1 \times 10^{-2} \ \mu W/m^2$. The intensity at a distance of $10 \ m$ would be: