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State Huygens' Principle. With the help of a suitable diagram, prove Snell's law of refraction using Huygens' Principle.
It is the property of the substance which defines how easily a substance can be magnetized. It may also be defined as the ratio of intensity of magnetization (I) in a substance to
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).
What would happen if the principle of relativity is proved wrong?
Determine the Q-factor of damped oscillator with resonant frequency 500Hz and damping coefficient 0.5 per second.
A conductor moves with a velocity of 20m/s at an angle of (a) 90 ? (b) 45 ? (c) 30 ? , to a magnetic field produced among two square-faced poles of side length 2.5cm. If the
The physical value which does not depend on any other physical quantity is known as a fundamental physical quantity like length; mass and time are known as fundamental units.
why newtons 2nd law is called the real law of motion?
Echo vs. Reverberation Sound is a mechanical wave that travels by a medium from a single location to other. This motion by a medium occurs as one particle of the medium interac
What are lens aberrations? Give reasons for them. Illustrate the working of a simple microscope and give a mathematical expression for its magnifying power.
As an electron passes close to the positive nucleus of atom, the electron is moved from its path as given in diagram. This results in deceleration of the electron. The loss in powe
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