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Q3 of 805 Page 1

State the factors on which the refractive index of a material medium for a given wavelength depends.

Refractive index of a material depends upon


1) Permittivity of a substance.


2) Permeability of a substance.


3) The wavelength of light used in measure the refractive index of the medium.


More from this chapter

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1

In the given figure, charge + Q is placed at the centre of a dotted circle. Work done in taking another charge + q from A to B is W1 and from B to C is W2. Which one of the following is correct: W1 > W2, W1 = W2 and W1 < W2?

2

Plot a graph showing the variation of current ‘I’ versus resistance ‘R’, connected to a cell of emf E and internal resistance ‘r’.

4

Sketch the emergent wave front.

5

In the wave picture of light, intensity of light is determined by square of the amplitude of wave. What determines the intensity of light in the photon picture of light?

Questions · 805
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