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Malus' law (E.L. Malus):
The light intensity I of a ray along initial intensity I0 travelling by a polarizer at an angle theta among the polarization of the light ray & the polarization axis of the polarizer is specified by I = I0 cos2 theta.
Can you give the condition for dispersion without deviation and illustrate colour has got the maximum angle of deviation?
The mass of a mol of proton and electron is: (1) 6.023x 10 23 g (2) 1.008g and 0.55mg (3) 9.1x 10 -28 kg (4) 2gm Ans: (2) 1.008g and 0.55mg
Has Vc a limit? Answer; precisely, but we do not know its limit. But we know it is greater than c.
A thin convex lens of focal length 0.1m and a thin concave lens of focal length 0.1m are placed co-axially in contact. What is the total power of the combination?
A charge of 111 pC is uniformly distributed throughout the volume of an isolated sphere of diameter 40 cm. Calculate the electric field at the following distances from the centre o
Mines Flame proof squirrel cage induction motors are used in coal mine.
The relative permeability of a paramagnetic substance is (A) Unity. (B) Slightly more than unity. (C) Zero. (D) less than unity. Ans: The relativ
The angular displacement of a body is a function of time and giving by equation h=10+3t+6t square,where t is in seconds.determine the angular velocity, acceleration when t=5seconds
Draw the symbolic representation of a (i) p-n-p, (ii) n-p-n transistor. Why is the base region of transistor thin and lightly doped? With proper circuit diagram, show the biasin
Q. Show Constant Moment Arm? The simplest case is that of a point mass, and the moment of inertia can be immediately written as I = mR 2 ,
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