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Refraction of Light:
When a ray of light in single medium meets the surface of second medium, a part of the ray enters in the second medium; this phenomenon is called as refraction of light.
Given a particle moving along a straight line with fixed acceleration a. Let u be the initial velocity of the particle and v be the velocity at time t. So by definition,
Why rotation of rigid bodies through finite angles not a vector? Ans) Because it does not obey one of the laws of vector algebra(law of commutativity).
Q. Explain the magnetize of metal? Answer:- You can rub a magnet alongside the metal in one direction for a bunch of times (the more the better) and that will magnetize it
Zehnder's balance This ingenious balance, which is very beneficial for demonstration experiments, can be constructed in a few minutes using pins, razor blade, cork and knitting
Tell some examples of Like and Unlike Parallel Forces.
Define the terms threshold frequency and stopping potential in relation to the phenomenon of photoelectric effect. How is the photoelectric current affected on enhancing the (i)
Describe how tunneling takes place When tunnel diode is forward biased, its initial behaviour is similar to that when it's reverse biased. Now, some of the fille
A standing wave is described by the wave function where x and y are in meters and t is in seconds. (a) Prepare graphs showing y as a function of x for five instants: t = 0, 5 ms,
what is electromagnetism
CONSERVATION OF ENERGY 1. Potential energy is, as the word suggests, the energy "locked up" up somewhere and which can perform work. Potential energy Potential energy can b
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