A progressive sound wave of frequency 500 Hz is travelling through air with a speed of 350 m/z. If a compression appears at a place at a instant, hten the minimum time interval after which the rarefaction occurs at the same point will be

A prograssive wave of frequency 500 Hz is travelling with a speed of 350 m/s A compressional maximum appears at a given instant,The minimum time interval after which a given instant,The minimum time interval after which a rarefactional maximum occurs at the same points is

A progressive wave of frequency 500Hz is travelling with a velocity of 360 m // s. How far part are two points 60^(@) out of phase ?

A progressive wave of frequency 50 Hz is travelling with a velocity of 350 m/s. through a medium. What is the change in phase at a given place in time interval of 0.01 second ?

A sound wave of frequency 80 Hz is travelling with speed 320 m//s . (a) Find the change in phase at a given position in 400 ms (b) Find the phase difference between two positions seperated by 20 cm at a particular instant.

A sound wave of frequency 100 Hz is travelling in air. The speed of sound in air is 350 ms^-1 (a) By how much is the phase changed at a given point in 2.5 ms ? (b) What is the phase difference at a given instant between two points separated by a distance of 10.0 cm along the direction of propagation ?

Electromagnetic waves of frequency 6 xx 10^(12) Hz are travelling through free space . In which region of the e.m. spectrum , the waves will lie ?