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Some phenomenon based on scattering:
(i) Sky looks blue because of scattering.
(ii) At the starting time of sunrise or sunset sun looks reddish.
(iii) Danger signals are of red color.
Can you explain thermistor? Write short notes on back emf and internal resistance of a cell.
Correspondence principle (N. Bohr) The principle that when a new, more general theory is placed forth, it has to decrease to the more specialized (and usually simpler) theory
It is a highly doped p-n junction which is not smashed by high reverse current. The breakdown voltage is made very sharp. In the forward bias, the zener diode do as ordinary diode.
In p-type semiconductor the majority carriers are (A) Holes. (B) Positive ions. (c) Electrons. (D) Negative ions. Ans: In p-type semiconductor the majori
Two particles of equal mass m go around a circle of radius R under the influence of their mutual gravitational attraction.the speed of each particle with respect to their center of
Q. Jingdan turned a screwdriver into a magnet by rubbing it with a strong bar magnet to pick up a screw that has fallen into an inaccessible spot. How could he demagnetize his
Fibre optics: Light travels in straight lines, even though lenses and mirrors can deflect it, light still travels in a straight line between optical devices. This is fine for
what is electrostatic shielding
How michelson interferometer is used to determine the wavelength difference between the D1 and D2 lines of sodiun
Inverting Summing Amplifier Fig shows inverting summing amplifier. It's a inverting configuration with three inputs V A , V B and V C . Depending on the relationship betwee
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