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An object lies 100 cm inside water (mu = 4/3). It is viewed from air nearly normally. Find the apparent depth of the object. An object lies 100 cm inside water (mu = 4/3). It is viewed from air nearly normally. Find the apparent depth of the object. September 8, 2020 Category: Uncategorised (JEE Advanced [...]

In the series curcuit of fig, suppose R= 300 Ω,L= 60 mH ,C= 0.50 (μ)F, source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC, the impedance Z, the current amplitude I0, the phase angle ϕ, and the voltage amplitude across each circuit element. and the voltage amplitude across each circuit element. C= 0.50 (μ)F In the [...]

Consider a long optical fiber with index of refraction n, that is surrounded by air. (There is no cadding.) The end of the fiber is polished to be flat and is perpendicular to the length of the fiber. A light ray from a laser Consider a long optical fiber with index of refraction n that [...]

Three forces 9, 12 and 15 N acting at a point are in equilibrium. The angle between 9 N and 15 N is 12 and 15 N acting at a point are in equilibrium. The angle between 9 N and 15 N is Three forces 9 September 8, 2020 Category: Cengage NEET by C.P Singh [...]

A monochromatic light is incident on the plane interface AB between two media of refractive indices mu 1 and mu 2 (mu 2 > mu1) at an angle of incidence theta as shown in figure. A monochromatic light is incident on the plane interface AB between two media of refractive indices mu 1 and mu [...]

A pure inductance of 1 H is connected across a 110 V, 70 Hz source. Find the (a) reactance, (b) current, and (c) peak value of current. (b) current 70 Hz source. Find the (a) reactance A pure inductance of 1 H is connected across a 110 V and (c) peak value of current. September [...]

Three vector p ,q, r are such that p = q ,r = √2p and p + q + r = 0 the angle between p and q, q and r and p and r are -q q and r and p and r are r = √2p and p + q + r = [...]

A point source of light is placed at distance h below the surface of a large and deep lake. What fraction of light will escape through the surface of water? A point source of light is placed at distance h below the surface of a large and deep lake. What fraction of light will escape [...]

Suppose you want the current amplitude in a pure inductor in a radio receiver to be 250(μ)A when the voltage amplitude is 3.60V at a frequency of 1.60 MHz,(corresponding to the upper is 3.60 V AM broadcast band). What inductive reactance is needed? What inductance is required? (corresponding to the upper is 3.60 V AM [...]

The following sets of three forces act on a body. Whose resultant cannot be zero ? The following sets of three forces act on a body. Whose resultant cannot be zero ? September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 3 - Vectors , Part 1 ,