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When two waves of exactly similar frequency (coming from two coherent sources) travels in a medium, in the similar direction simultaneously then because of their superposition, at some position intensity of light is maximum while at some other points intensity is minimum. This process is called as Interference of light.
What is the relationship among the period and the square root of the length? The graph is linear, so the period is proportional to the square root of the length of the string.
A Plane polarized light is incident on a piece of quartz cut parallel to its axis. Evaluate the least thickness for which ordinary ray and extraordinary ray combine
What is a Newton meter? A unit of energy also called a Joule. When a force of 1 Newton is applied on an object for a distance of 1 meter then 1 Joule of energy is used. It is t
Figure denotes a rod whose ends are in thermal contact with a hot reservoir at temperature T1 and a cold reservoir at temperature T2. The ends of the rod are covered with insulati
Explain irreversible process A process which takes the system to the non equilibrium state is known as irreversible process. *It can't be retraced in the reverse direction.
Dielectric constant of vacuum is (A) Infinity. (B) 100. (C) One. (D) Zero. Ans: Dielectric constant of vacuum is one.
UV radiations and X - rays are: UV radiations are produced by the high energy transitions of the electrons in atoms. UV radiations have wavelengths ranging from 0.4 m m to 1n
Q. A beam of light converges at a point P. Now a lens is placed in the path of the convergent beam 12 cm from P. At what point does the beam converge if the lens is (a)a convex len
An electric kettle has a resistance of30?. What current will ?ow when it is connected to a 240V supply? Find also the power rating of the kettle A current of 5A ?ows i
a) Explain the magnetic effects of current? b) Do the diagram to show the direction of motion of the conductor:
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