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qUESTIONS

Monochromatic light of wavelength 589 nm is incident from air on a water surface. The refractive index of water is 1.33. The wavelength of the refracted light is

The refractive indices of glass and water w.r.t. air are 3/2 and 4/3 respectively. The refractive index of glass w.r.t. water will be

When a light wave goes from air into water, the quality that remains unchanged is its

When light travels from one medium to the other of which the refractive index is different, then which of the following will change

Find equivalent resistance between A and B

Find the equivalent resistance across the terminals of source of e.m.f. 24 V for the circuit shown in figure on

The equivalent resistance between the points P and Q in the network given here is equal to (given r=3/2Ω )

What is the equivalent resistance between the points A and B of the network

An infinite sequence of resistances is shown in the figure. The resultant resistance between A and B will be, when R1 =1ohm and R2 = 2ohm

Three resistances of 4Ω each are connected as shown in figure. If the point D divides the resistance into two equal halves, the resistance between point A and D will be

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