Which property of sound is affected by change in air temperature?
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What are the essential characteristics of a wave?
What is dispension of light?
What is black body ?
State the laws of thermodynamics.
Why us the height of mercury column unaffected by the difference in the value of gravity at the same place?
Explain what is the proper formula used to calculate acceleration?
What is the velocity of light ?
If the distance separating two charges is doubled, the force between them decreases by what multiple factor?
Why do we not feel the enormous weight of the atmosphere above our heads ?
Why is a man hit harder, when he falls on a paccafloor than when he falls on sand from the same height ?
Explain the Magnifying power ?
Explain the branches of physics?