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Light is able to travel through vacuum Ans: In classical physics electromagnetic radiation (light) is the only kind of wave that doesn't need a medium. For sound rays in a
What is waveguide dispersion in optical fibres? Waveguide dispersion (Δτ w ): Waveguide dispersion occurs because of the dependence onto the velocity of propagation of every
What do you mean by Doppler effect? Derive a mathematical expression for the apparent frequency of a note, when source of sound and observer are approaching each other.
Can an electron be obtained (or come out) from the nucleus? Yes, electron having energy higher than the ordinary atomic electron might be come out of the nucleus because of be
#how entropy tells which process is spontaneous and which is non spontaneous.i also wana know that although 2nd law of thermodynamic is for heat engine and heat pump how it is rela
Kirchoff"s Current Law states that in any electrical network, the algebraic sum of the currents meeting at a point (or junction) is zero, which means that the total current leavi
newton; N (after Sir I. Newton, 1642-1727) The derived SI unit of force, explained as the force needed to give a mass of 1 kg an acceleration of 1 m/s 2 ; thus it has units of
Temperature joule; J (after J.P. Joule, 1818-1889) The derived SI unit of energy described as the amount of work done by moving an object by a distance of 1 m by applying a fo
MANUFACTURING: Pure carbon is deposited on ceramic substrate by thermal decomposition of hydrocarbon at 1000 0 C. The sheet resistance of film is controlled by contro
Working of Compound Microscope: The object under examination is placed in front of the objective. The objective forms it's real and inverted image with in the focal length of t
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