When white light passes through a triangular glass prism, there is dispersion because of

In which of the following media does sound travel faster?

A turning fork of frequency 600Hz is sounded over a closed resonance tube. If the first and second resonant positions are 0.130m and 0.413m respectively, calculate the speed of sound in air

loudness increases as a vibrating tuning fork is brought nearer the end of a pipe containing air column due to

the factor which enables the ear to distinguish between a note played on different instruments is the