List of top Physics Questions on Wave optics asked in NEET (UG)

A beam of unpolarized light of intensity I0 is passed through a polaroid A, then through another polaroid B, oriented at 60º and finally through another polaroid C, oriented at 45º relative to B as shown. The intensity of emergent light is:

Interference pattern can be observed due to superposition of the following waves:
A. \(y = a \sin \omega t\)     B. \(y = a \sin 2\omega t\)
C. \(y = a \sin(\omega t - \phi)\)      D. \(y = a \sin 3\omega t\)
Choose the correct answer from the options given below.

Two slits in Young’s double slit experiment are 1.5 mm apart and the screen is placed at a distance of 1 m from the slits. If the wavelength of light used is \(600 \times 10^{-9}\, \text{m}\), then the fringe separation is: