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Properties of light:
The wavefronts can be of different shapes depending on the size and shape of light source and the distance from it. Huygens' principle states that every point on a wavefront behaves as the source of small secondary wavelets which spread out in all directions with a velocity equal to the velocity of light. The new wavefront is then found by constructing a surface of envelope tangential to the secondary wavelets.
Applying Huygens' principle, the phenomenon of reflection and refraction could be explained. The velocity of water waves depend on the depth of the water. The principle of superposition of waves states that when two or more waves travel through the same portion of a medium simultaneously, the resultant displacement at any point is the vector sum of the displacements due to the individual waves.
If a great point-mass is removed by a weightless, inextensible and perfectly flexible string from a rigid support, then this arrangement is known as a simple pendulum.
A 10 farad capacitor is used in a circuit. The voltage difference between the plates of the capacitor is 20 volts. What is the magnitude of the charge on each of the capacitor's pl
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In jk flip flop, Why toggle may oocur?
Ask question #whether s component or p component present in the reflected light of Biot''s polariscope# Minimum 100 words accepted#
mathimatical form
Q. What do you mean by Length Contraction? The length of any object in a moving frame will appear for shortened in the direction of motion. The amount of contraction can be cal
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Faraday's law The line integral of the electric field about a closed curve is proportional to the instant time rate of change of the magnetic flux by a surface limited by tha
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