Diffraction & Polarisation: JEE Questions & Solutions

Which of the following are true for a single slit diffraction? A. Width of central maxima increases with increase in wavelength keeping…

When an unpolarized light falls at a particular angle on a glass plate (placed in air), it is observed that the reflected beam is linearly…

An unpolarised light is incident at an interface of two dielectric media having refractive indices of 2 (incident medium) and 2 3…

A transparent film of refractive index 2.0 is coated on a glass slab of refractive index 1.45. What is the minimum thickness of transparent…

In a Young's double slit experiment, three polarizers are kept as shown in the figure. The transmission axes of P1 and P2 are orthogonal to…

If the measured angular separation between the second minimum to the left of the central maximum and the third minimum to the right of the…

Two polarisers P1 and P2 are placed in such a way that the intensity of the transmitted light will be zero. A third polariser P3 is…

A parallel beam of monochromatic light of wavelength 5000 Å is incident normally on a single narrow slit of width 0.001 mm. The light is…

In a single slit diffraction pattern, a light of wavelength 6000 Å is used. The distance between the first and third minima in the…

The diffraction pattern of light of wavelength 400 nm diffracting from a slit of width 0.2 mm is focused on the focal plane of a convex…

A beam of unpolarized light of intensity I0 is passed through a polaroid A and then through another polaroid B which is oriented so that…

In a single slit diffraction pattern, a light of wavelength 6000 is used. The distance between the first and third minima in the…

Three identical polaroids P1, P2, and P3 are placed one after another. The pass axis of P2 and P3 are inclined at angles of 60^ and 90^…

Two polaroide A and B are placed in such a way that the pass-axis of polaroids are perpendicular to each other. Now, another polaroid C is…

‘n’ polarizing sheets are arranged such that each makes an angle 45^ with the preceding sheet. An unpolarized light of intensity I is…

Unpolarised light of intensity 32 Wm^-2 passes through the combination of three polaroids such that the pass axis of the last polaroid is…

A single slit of width a is illuminated by a monochromatic light of wavelength 600 nm. The value of a for which the first minimum appears…