Physics short answer to two significant figures, what is the index of refraction of air?
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Why is the earth not used as a return wire in a telephone system, while it is dine so in case of telegraph system.
Why does a thick glass tumbler break, when ice is put in it ?
Which lens is used for correcting short ?sightedness ?
What is a thermal transformation?
Explain what is time?
Explain when is fluorescence strong?
What is moment of inertia?
Explain how spectral lines show discrete energy levels in an atom. : quantum physics
why ship doesnt sink sea
Tell me why ship doesnt sink sea?
Why does sun appear flat during sunrise and sunset?
Why we put the time (t) always in x-axis?