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Noether theorem (Noether):
A theorem which revels that symmetries are what gives increase to conserved quantities. For example, translational symmetry (the fact that the laws of physics work the similar in all places) gives increase to conservation of momentum, as position & momentum are complementary. In addition, conservation of energy is mention by time symmetry, & conservation of angular momentum is mentioned by isotropy.
what is electron
Explain the Photoelectric Effect Atomic Models Heinrich Hertz first observed the photoelectric effect in 1887. He noticed that if a photon with enough energy is absorbed by an
Joule's laws (J.P. Joule) Joule's first law The heat Q generated while a current I pass through a resistance R for a particular time t is given by following Q = I2 R
Pressurized Water Reactor: A Pressurized Water Reactor (PWR) in a power station has a negative temperature coefficient. After it has been operating for a long time at a partia
A bar magnet having of two equal and opposite magnetic pole separated by a small distance. Poles are not precisely at the last. The smallest distance among two poles is known as ef
It is the magnetic flux density which still remains in magnetic materials even when the magnetic force is removed. It is measured or calculated in Weber/m 2 .
Q. Why the centre of Newton's rings pattern appears dark? The thickness of the air film becomes zero at the point of contact of lens L with glass plate P. Therefore there is no
What do you mean by understand by the statement ‘charge is quantized'? The electric lines of force do not intersect. Why?
A toy car with a mass of 0.75 kg is pulled3.2 m across the floor with a constant force of 110 N. If 67 J of work is done, what is the upward angle of the force?
Very thin glass sheets are used to form these capacitors. The sheets are interleaved with aluminium foil and fused together to forms a solid block. These capacitors are smaller in
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