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Fizeau method (A. Fizeau, 1851):
One of the first really relativistic experiments intended to calculate the speed of light. Light is flow through a spinning cogwheel driven through running water, is reflected off a distant mirror, and passed back then through the spinning cogwheel. While the rate of running water (and therefore the spinning of the cogwheel) is synchronized so that the returning pulses are eclipsed, c may be calculated.
NEWTON'S SECOND LAW OF MOTION: This law states that "A force applied on body produce acceleration in its own direction. The acceleration differs directly with the applied force
Energy in transmitted in space in all direction. Example : Light and sound waves propagating in space.
When a physical property such as charge exists in discrete "packets" rather than in continuous amounts, the property is said to be: a) Discontinuous b) Abrupt c)
in some case we take y=-g but in some case we take y=g... why???
If a ball thrown horizontally with a velocity of 20m/s from a tower meters high, after how long will it strike the ground?
A girl starts and finishes the ride at rest. Her horizontal motion can be take as. •an initial uniform acceleration for 3.0s, followed by •a constant speed of 2.4m/s for a further
Diamagnetism is a basic property of all matter, though it is generally very weak. It is due to the no cooperative behaviour of oepenrbiting electrons when exposed to an applied mag
State concept of Charging by conducting Charging by conducting - transfer of charge among two objects through contact - objects have similar charge
Suppose that the x rays are emitted from a focal spot isotropically. The photon flux is 3.28 x 10 6 photons mm -2 sec -1 at a distance of 0.75 m from the focal spot. What is the
Cut an apple in two parts with inertia Secure a long sharp knife like as a carving knife. Cut into the apple with the knife unless you can pick them up together. Be sure to hav
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