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Whenever there is a relative speed among a source of sound and the listener, the apparent frequency of sound listen by the listener is dissimilar from the real frequency of sound emitted by the source.
When the distance among the source and listener is reducing the apparent frequency enhances. It describes the apparent frequency is more than the real frequency of voice. The reverse is also true.
What is Illumination? A body that gives off light is called luminous, like all those glow-in-the-dark toys, and a body that gives off light when it is heated is called incandes
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A current of 12A flows in the element of an electric fire of resistance 25?. Verify the power dissipated by the element. If the ?re is on for 5 hours every day, measure for a
why do we need degenerate semiconductor to fabricate a laser diode?
What is Normal Force?? Force exerted upon an object that is in get in touch with another stable object. If a book is resting upon a surface, then the surface is exerting an up
The temperature of a gas is held constant whereas its volume is reduced. The pressure the gas exerts on the walls of its container enhances because its molecules: a) stri
a column of water contains fine metal particles of radius 2*E(-8) m, which are in thermal equillibrium at 298 K. if there are 1000 particles per unit volume at a given height,how m
What is the Ohm Law? Ohm discovered that the amount of current was directly proportional to the voltage (more voltage gives more current) and inversely proportional to the resi
I need help with a physics question
Q. What is Einstein's photoelectric equation? Explain the laws of photoelectric effect with the help of this equation. Photoelectric Effect : The emission of electron from
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