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(1) Directive properties: When a magnet suspended freely it remains in the earth's N-S direction (in magnetic meridian). (2) Monopole concept: If a magnet is broken into number
It is a method of depositing a thin layer of one metal over one more metal by the method of electrolysis. The articles of cheap solids are coated with valuable metals like silver a
What is inertia?
Q. Does sunlight reflected off a mirror raise the temperature of the sun-rays? Answer:- A standard planar mirror will not raise the energy contained in the rays that refle
Explain displacement x(t) is known as displacement and it denotes the position of a body at time. If the displacement is positive then that body is to the right of the chosen
What do you understand by half period zones? What is their other name? Distinguish between physical and geometric (wave) approximations of light.
Lorentz was the first to obtain the equations which relate the space and time coordinate of two frames of reference moving with a constant velocity with reference to each other and
Refracting telescopes, if uncorrected, suffer from chromatic aberration. Chromatic aberration occurs because: a) red light is focused more strongly than blue light b)
Angle of banking: The angle made by the line joining the outer raised edge of the road to the inner edge with the horizontal line is called the angle of banking. Let AC rep
An impulse of 10 kilogram-meters per second acting on an object whose mass is 5 kilogram will cause a change in the objects velocity of: a) 0.5 meters per second b) 2 met
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