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Rayleigh criterion; resolving power:
A criterion for finding out how finely a set of optics might be able to distinguish. It start with the supposition that central ring of one image must fall on the primary dark ring of the other; for an objective lens along with diameter d and employing light along with a wavelength lambda (usually taken 560 nm), the resolving power is approximately given trhough 1.22 lambda/d.
In accrued model of a rotating diatomic molecule of (Cl 2 ), the two Cl atoms are 2.00´ 10? -10 m apart and rotate about their center of mass with angular speed w = 2.00 ´10 12 ra
Refracting telescopes, if uncorrected, suffer from chromatic aberration. Chromatic aberration occurs because: a) red light is focused more strongly than blue light b)
a) A uniform mild steel ring has a diameter of 50mm and a cross-sectional area of 1cm 2 . Determine the mmf essential to produce a flux of 50µWb in the ring. (b) I
why is the colour of sky blue
Poisson equation (S.D. Poisson) It is the differential form of Gauss' law, such as, div E = rho,
Coupling factor: If all the flux of a primary coil links with all the turns of a secondary then 100% coupling exists. Sometimes it is more convenient to use a coupling factor
Proton was discovered by: (1)Chadwick (2)Thomson (3)Goldstein (4)Bohr Ans: (3)Goldstein
what is chock coil
If the distance between the earth and moon were halved, the force of the attraction between them would be: a) One fourth as great b) One half as great c) Twice as g
Why it is in general considered easier to determine the electric potential at a given point in space or at a given set of points in space due to a continuous charge distribution th
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