Difference between hear and listen

Assertion : There will be no Doppler effect,when both the source and listener are at rest and wind alone is blowing Reason :The blowing wind does not change the distance between the source and listener which is a must for Doppler effect.

The difference between two numbers is 3 and the difference between their cubes is 999. Find the difference between their squares.

Which one of the following has the sense of hearing so sharp that it can make out the difference between the rusting of leaves and the sound of an animal moving on the grass?

A sound source moves with a speed of 80 m//s relative to still air toward a stationary listener. The frequency of sound is 200 H_(Z) and speed of sound in air is 340 m//s . (a) Find the wavelength of the sound between the source and the listener. (b) Find the frequency heard by the listener.

Difference Between Potential Difference And Emf

The difference between two numbers is 9 and the difference between their squares is 207. The numbers are ,