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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.
what is the equation for work
Waves: A disturbance that travels by a medium is called wave.
Electromagnetic radiation a.k.a. light contains of two kinds of fields each produced by the changing of the other. What are those two types of fields?
An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows do
The Maximum displacement of a vibrating particle of medium from its mean position is known as amplitude.
A worker lifts a 10 kilogram block a vertical height of 2 meters. The work he does on the block is: a) 5 Joules b) 20 Joules c) 49 Joules d) 200 Joules Ans:
The tree needs to fall uphill even though it is leaning downhill. The felling notch at O is sufficiently large so that the resisting moment at O is negligible. The trunk above po
Electrical measuring instruments: Quantities of electrical current, voltage and resistance are measured using instruments called meters. Until the advent of electronic displays
Determine the Shear Force in kN rounded to 1 DP and Bending Moment in kN.m rounded to 1 DP at point C in the beam when the Uniformly Distributed Load (UDL) on AC is P51 kN/m and th
Dimension of unit impulse DIMENSION ? The dimension of impulse is [MLT -1 ]
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