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(a) State the postulate of STR and deduce Lorentz Transformation.
OR
Give basic postulate of special theory of relativity. Derive Lorentz Transformation equations.
(b) Prove that particle having rest mass zero is always moving with velocity of light.
Pitch is the tone of the note/ssong. (high or low) intensity involves speed, loudness, business and strength in a piece.
Q. State Brewster's law. Brewster's law the digression of the polarising angle is numerically equal to the refractive index of the medium. That is tan ip = μ
The wave nature of light is demonstrated by which of the following a) The photoelectric effect b) Colour c) The speed of light d) Diffraction Ans: The w
Inductors can be classified on the basis of nature of value and type of core used. Different type of inductors based on the type of core is: AIR CORE INDUCTORS: Air core coils
A mass M moves horizontally along a smooth rail. A pendulum is hung from M with a weightless rod and mass m at its end. Find the eigen frequencies and describe the normal modes
When throwing a baseball, a force is exerted by the hand on the ball. a. Is this force a contact force or a field force? Contact Force b. Throwing a ball 6 m straight upwa
Illustrate "Tangent law" in magnetism. Compare magnetic moment of two bar magnet in a tan A, tan B position by null method or equal distance method.
Describe, with the help of a nuclear reaction in each of the following cases, how the neutron to proton ratio alters during (i) alpha-decay (ii) beta-decay?
Echo: The sound heard after reflection from an obstacle is known as echo.
When a driver brakes an automobile, the friction between the brake drums and the brake shoes converts the car's kinetic energy to thermal energy. If a 1800 kg automobile traveling
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