The tones that are separated by three octaves have a frequency ratio of

In the musical octave 'Sa','Re','Ga',which of the following statements is correct regarding their frequencies?

Each of the properties of sound listed in column $A$ primarily depends on one of the quantities in column $B$. Choose the matching pairs from the two columns.
Column $A$ | Column $B$
Pitch | Waveform
Quality | Frequency
Loudness | Intensity

The loudness and pitch of a sound depend on

Of the following,the one which emits a sound of higher pitch is:

$A$ source of sound emits $200\pi \text{ W}$ power which is uniformly distributed over a sphere of $10 \text{ m}$ radius. What is the loudness of sound on the surface of the sphere?