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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.
A light horizontal bar has a length of 3m. If a 102-kg mass is placed 80 cm away from the left end of the bar and a 109-kg mass is placed 2.15 m from the left end, where must it be
is average speed the magnitude of average velocity?justify your answer with a suitable example?
Davisson-Germer experiment (C.J. Davisson, L.H. Germer; 1927) An experiment which conclusively confirmed the wave nature of electrons; diffraction patterns were observed throu
The frames of reference which are themselves accelerating, rotating etc like that Newton's first law of motion becomes invalid in their case can be known as non-inertial frames of
Gaia hypothesis (J. Lovelock, 1969): The idea that as a whole Earth should be regarded as a living organism & that biological procedure stabilize the environment.
Illustrate the light emitting diode for fibre optic communication? Light-Emitting Diode (LED) for fibre optic communication: There are two types of LED. They are surface etc
An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down
Convex Lens Convex lens converges rays parallel to its principal axis. It is thick in the middle and thin at the edged. It forms real and inverted image of an ob
when an object is dropped, what is its acceleration at the moment of release? Explain with reasoning.
Respected Sir, I am only knowing about material name that can be sink heat much longer area, it can be possible or not? if it possible, how to its work to sink.? Please..
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