Explain why does sun appear flat during sunrise and sunset?
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Which of the surfaces of a thermos flask are silvered and why?
Why does railway carriage in motion not leave the rails ?
What is the commercial unit of electrical energy ?
A coil consisting of 200 turns of wire has its ends connected to a circuit such that the total resistance of the coil and the circuit is 2.0 ohm. There is no source of e.m.f. in the circuit. Each turn of the coil is a square of side 18 cm, and a uniform magnetic field directed perpendicular to the plane of the coil is turned on. If the field changes linearly from 0 to 0.5 T in 0.8 s, what is the magnitude of the current in the coil while the field is changing?
Explain how do you separate hydrogen and oxygen gases in industrial electrolysis of water process?
Whar are the different parts of the x-ray radiation intensity graph? : quantum physics
When I have one cubic foot of air enclosed within a weightless container and place it on the surface of a fresh water body of water at sea level how much mass (weight) will it support before it sinks below the surface?
How will it be possible to kindle fire, if we had no matches ?
So quantum physics must use probability theory? : quantum physics
who described the theory of ionization?
The light in vehicle become dim when it is starting,why?
Explain the Friction and Equilibrium ?