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how to calculate speed of light?
The speed of light in vacuum, normally denoted by symbol c, is a universal physical constant which is very important in various areas of physics. Its exact value is 299,792,458 metres per second, a figure which is exact due to the length of the metre is considered from this constant and the international standard for time. In imperial units this speed is approx 186,282 miles per second.
As per special relativity, c is the maximum speed at where all matter, energy, and information in the universe can travel. It is exact speed at all massless particles & associated fields that including electromagnetic radiation such as light or travel in vacuum. It is also the speed of gravity for example of gravitational waves is predicted by current theories. Such particles or waves travel at c regardless of the motion of the source or the inertial frame of reference of the observer. Theory of Relativity, c interrelates space & time, and appears in the famous equation of mass–energy equivalence E = mc2.
Active network:- It can be described as a network, which contains one or more than single source of e.m.f. in it.
Method of Making magnet: There are two types of making magnets. Single Touch Method: a. In this method a bar magnet is rubbed on a hard steel bar. b. The magnet is k
How does the elevation and air pressure affect the boiling point of water? The only factor that explains the boiling point of water at any altitude is the barometric pressure (
state and prove the parallelogram law of forces
Two cars head out in the similar direction. Car A starts 1.0 min before car B. The position-time graphs for both cars are shown in the accompanying figure. a. How far apa
Weiss constant: A characteristic constant based on the material, utilized in calculating the susceptibility of paramagnetic materials.
a car has a mass of 34.01 kg. The race lasts 30 seconds. you think if the car attains an acceleration of .55 m/s^2 to attain a final velocity of 16.54m/s it will win the race. what
Are the optics efficient as a means to transport the light? No, optics is not efficient as a means to transport the light. If we take any other means of light distribution or
how to measure least count of the instruments?
A train consists of a 4300-kg locomotive pulling two loaded boxcars. The first boxcar has a mass of 12,700 kg and the second has a mass of 16,300 kg. Presume that the boxcar wheels
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