Two waves of frequencies 30 Hz and 40 Hz travel out from a common point. How they will differ in phase at the end of 0.95 s

Two waves of frequencies 20 Hz and 30 Hz travel out from a common point. How wil they different phase at the end of 0.75 s ?

Two waves of frequencies 20 Hz and 30 Hz. Travels out from a common point. The phase difference between them after 0.6 sec is

A sinusoidal wave of frequency 500 Hz has a speed of 320 m/s. (a) How far apart are two points that differ in phase by pi//3 rad? (b) What is the phase difference between two displacements at a certain point at times 1.00 ms apart?

A sound wave of frequency 400Hz is travelling in air at a speed of 320m/s . Calculate the difference in phase between two points on the wave 0.2m apart in the direction of travel.

Two points A and B are at a distance of 30 cm on a stretched string. A travelling wave of frequency 300 Hz and velocity 100 m/s is set up in the string. What will be the phase difference between points A and B ?

If a sound wave of frequency 500 Hz and velocity 350 m/s. Then the distance between the two particles of a phase difference of 60^(@) will be nearly

If a sound wave of frequency 500 Hz and velocity 350 m/s. Then the distance between the two particles of a phase difference of 60^(@) will be nearly

A sound wave has frequency 320 Hz and wavelength 0.25 m. How much distance will it travel in 10 second?

A sound wave of frequency 160 Hz has a velocity of 320 m/s. When it travels in air, the particles having a phase difference of 90^(@) , are separated by a distance of