Two polarizers and are parallel to each other with the pass axis of inclined at an angle of to that of A. A linearly polarized light of intensity , having its direction of polarization at an angle with the pass axis of , is incident normally on and passes through . If the intensity of light transmitted through is , the angle is
A polarizer - analyser set is adjusted such that the intensity of light coming out of the analyser is just of the original intensity. Assuming that the polarizer - analyser set does not absorb any light, the angle by which the analyser needs to be rotated further, to reduce the output intensity to zero, is
Unpolarized light is incident on the surface of a transparent medium at such an angle of incidence that the reflected ray and the refracted ray travel at right angles to each other.
Two Polaroids and are placed with their axis perpendicular to each other. Unpolarised light with intensity is incident on . A third polaroid is kept in between and such that its axis makes an angle with that of . The intensity of transmitted light through is
The refractive index of a certain medium (w.r.t. air) is . Unpolarized light traveling from air to this medium is partially reflected and partially transmitted. At what angle of incidence would the reflected light be fully polarized?
Unpolarized light having an intensity passes through a stack of polarizers, the pass axis of each of the polarizer makes an angle of with the axis of the preceding one. The intensity of light coming out of the last polarizer is
Two rays of light and are falling on a glass slab at the angles of incidence and . If the reflected ray of is partially polarized and that of is completely polarized, then the refractive index of glass is
What is an unpolarized light? Explain with the help of a suitable diagram how an unpolarized light can be polarized by reflection from a transparent medium. Write the expression for Brewster's angle in terms of refractive index of denser medium.
A source of light is placed in front of a screen. The intensity of light on the screen is . Two Polaroids and are so placed in between the source of light and screen that the intensity of light on the screen is . Then the , should be rotated by an angle of (degrees) so that the intensity of light on the screen becomes .
