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A device which changes light energy into electrical energy is known as photoelectric cell. It is also known as photocell or electric eye.
what is the physical significance of damping coefficient?
Work out the voltage for the following arrangement of 1.5V cells: ( Solve problems with cells in series, parallel and series-parallel)
A 0.150-kg ball that is thrown at a velocity of 30.0 m/s hits a wall and bounces back in the opposite direction with a speed of 25.0 m/s. How much work was done by the ball?
(a) Explain the terms: 'magnetic field strength', 'magnetic flux density' and 'permeability' of a magnetic material. Write their SI units. A current carrying conductor is placed
Q. What are coherent sources? Two sources are alleged to be coherent if they emit light waves of the same wave length and start with same phase or have a constant phase differ
what was the main idea
Q. What is artificial radioactivity? The phenomenon by which still light elements are made radioactive by artificial or induced methods is called artificial radioactivity. α
Q. Describe the parallel force? Answer:- Parallel forces are two or else more forces which perform in parallel. The forces don't have to be in the similar direction howeve
Displacement related with a wave is given by y (x, t) = 0.1 cos(0.2x-2t). Where x y are in cm and ‘t' in second. Determine the wavelength, amplitude, frequency and velocity.
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