Which property of sound is affected by change in air temperature?
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Explain what is the heterogenous?
the weight of the body at the centre of the earth is
Why does it take longer to heat a bucket of water than a cup of water?
What is periodic wave?
What is meant by energy spectrum of a black body? What do you infer from it? : quantum physics
According to coulombs law, if two charged particles are repelled with a given force at a distance d, by what multiple will the force decrease by if d is increased by 4times?
Why can a bird fly, while a man cannot ?
Explain about Ultraviolet rays?
By primarily using what simple machine did galileo come to the conclusion on the existence of friction?
Why dies a small quantity of air introduced into the top of the barometer tube depress the level of mercury ?
How many types of wave motions are there?
Explain the Phosphorescence ?