When two similar sources vibrate with slightly different frequencies , a regular rise and fall occurs in the loudness of tone. This phenomenon is known as
Beats means the periodic increase and decrease in loudness heard when two notes of nearly the same frequency are sounded simultaneously.
The capacity of a pure capacitor is 1 farad. In D.C circuit, its effective resistance will be
A convex mirror is used to form an image of a real object. The image
The quality of sound produced by an instrument depends on the
In the electrical circuit of a house, the fuse acts as
The direction of heat flow between two objects depends on
Heat always flows from a body at higher temperature to a body at a lower temperature.
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