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Why does sun appear flat during sunrise and sunset?
The sun rays have to travel by a larger atmospheric distance. Most of the blue light and shorter wave lengths are removed by scattering.
Only red color, which is least scattered is received by our eyes and appear to come from sun .As the appearance of sun at sunset or sunrise looks almost flat
composition of simple harmonic motion
The magnitude of a charge, q, is to be determined by transferring the charge equally to two pith balls. Each of the pith balls has a mass of m, and is suspended by an insulating th
The average distance of an electron in an atom from its nucleus is of the order of: (1) 10 6 m (2) 10 -6 m (3) 10 -10 m (4)10 -15 m Ans: (3) 10 -10 m
Cannon of mass 5m (having a shell of mass m) is at rest on a smooth horizontal ground fires the shell with its barrel at an angle A with the horizontal at a velocity u relative to
what is space charge and diffusin capacitance.
A sodium cation has different number of electrons from: (1) O 2- (2) F - (3) Li + (4) Al +3 Ans: Li +
a. A certain radioactive material emits gamma rays with energy 1 MeV. Another sample of radioactive material emits gamma rays with energy 10 keV. If both of these emit the same amo
Derive an expression for the torque acting on a loop of N turns, area A, carrying current i, when held in a uniform magnetic field. With the help of ciruit, show how a moving coil
The Millikan experiment showed that electric charge was: a) Negative b) Quantized c) Positive d) Immeasurable Ans: The Millikan experiment showed that elec
What is the appropriate assignment for this particular topic?
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