What is amplitude?
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Examine the working of the Refrigerator?
Explain the Mortar ?
define rectilinear propagation of light?
Explain the thermal transformation?
Similar charges repel while dissimilar ones attract each other. How does two electrons attract each other during the formation of bond or why don't the protons in the nucleus repel?
What is the Ordinary magnet ?
what happens to the period of a simple pendulum taken into a deep mine
generaly what is physics!
When a toy balloon is filled with air and then the air is allowed to go out, why dies the balloon whiz away ?
What is channel?
What is Colours of bodies ?
graph between frequency of photon and velocity of photo elrectron?