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Q. If 6.25 X 10 18 electrons flow through a given cross-section in unit time, find the current.
Solution: Current I = q / t = ne / t = (6.25 X 10 18X 1.6 X 10 -19) / 1 = 1 A
What is LASER? describe the construction and working of He-Ne Laser with suitable diagram
deduction Newton law - KEPLUR law
Q. What is an optical fibre and dispersion? Write the expression for angle of deviation.
The phase of weightlessness may be observed in the following situations: (i) When objects fall freely under gravity : For example, a lift goes down freely, or an airship showing
working
It states that angular momentum of a system remains conserved if no net torque is acting on the system.
Angle of Minimum Deviation: The angle of deviation has least value when incident ray and emergent ray make equivalent angle with the normal. The value of angle of deviation is
Get an expression for the fringe width in the interference pattern due to Young's double slit.
Q. Explain Michelson Morley Experiment? The Michelson Morley experiment was an attempt to detect the velocity of earth with respect to the aluminiferous ether, a medium in spac
what is inertia?
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