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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 motor has an output of 4.8kW, an efficiency of 80% and a power factor of 0.625 lagging when operated from a 240V, 50Hz supply. It is needed to improve the power factor to 0.9
A 1.6 kg man swings from a 2 meter rope at an angle of 45 degrees after swinging 20 degrees past the center point, the rope is cut by a razor. The man goes flying through the air
Distance of the earth from the moon and the sun is? The distance of the earth from the moon is 2,40,000 miles or24 x 104 miles and that from the sun is 93,000,000 or 93x106 mil
How would you describe in one word fiber optics lighting system? Magic is the one word for describing fiber optic in one word.
Explain about Atoms Atoms - having of a nucleus (central core) and orbiting electrons. Nucleus have protons (+ particles) and neutrons (neutral particles). Neutral atoms have
The current induced in the conductor due change in magnetic field is called eddy current.we study more about this in electro magnetic laws.
If the angle of incidence is 60 degrees,then what is the angle of deviation?
It is the degree or extent by which magnetic lines of force can enter a substance and is expressed by µ.
in water equivalent how the temperature or water and solid equal?
what will happen when a ball is dropped in a hole passing through the centre of earth through out diametrically?
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