The velocity of sound in gas depends upon what?
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Tell me how many neutrons and how many protons are present in a single deuterium nucleus?
How can you conform that magnetic lines come from a single bar magnet with out any external instruments?
is it possible that the clock works differently in winter and in summer ?
What is optical medium?
Why do the front wheels of a motor car usually lean outwards ?
pressure is greater at the time of walking or standing when ?
sound frequencies below 16 hertz are usually referred to by scientists as:
When a toy balloon is filled with air and then the air is allowed to go out, why dies the balloon whiz away ?
Explain the Washing soda ?
What is Potential Energy ?
A rope-dancer holds wither an umbrella or a bamboo stick, while dancing on the rope. Why
How do you magnetize metal?