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what is the angle of incidence when the refracted and the reflected ray are parallel to one another? does this angle depend on the wavelength of light?
Ans) The angle of incidence is zero an it depend onthe wave lenght of the light.
Energy gap: 1.4ev at room temperature Its charactistics are very closely related to those of germanium. This is under stable, since Gallium is the third column neighbour and a
why raise in ppotential is taken as positive
What is the echo of the launched pulse? Any discontinuity into the medium of propagation of an ultrasonic pulse provides rise to back-reflection that travels back to the input
Definition of semiconductors Photovoltaic (PV) cells are made of special materials known as semiconductors like as silicon, which is currently the most commonly used. Basically
Mach number is the ratio of velocity of source to the velocity of sound. Mach Number = Velocity of Source / Velocity of Sound .
Describe coefficient of self induction, coefficient of mutual induction. What types of transformer is used in a bed lamp.
what is the electric field when both the charges are same in dipole
A jogger runs at a constant rate of 10.0 m every 2.0 s. The jogger starts at the origin, and runs in the positive direction for 3600.0 s.The figure below is a position-time graph s
why the centre of newton ring is black
Q. What instrument is utilized to measure volume? Answer:- Liquid volume is measured with graduated cylinders, beakers, measuring cups, spoons and the like. For regular ob
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