List of top Physics Questions on Light - Reflection and Refraction

Two plane polarized light waves combine at a certain point whose electric field components are $ E_1 = E_0 \sin(\omega t) $ $ E_2 = E_0 \sin(\omega t + \frac{\pi}{3}) $ Find the amplitude of the resultant wave.

The ratio of intensities of two coherent sources is 1:9. The ratio of the maximum to the minimum intensities is:

Three identical polaroids $P_1$, $P_2$, and $P_3$ are placed one after another. The pass axis of $P_2$ and $P_3$ are inclined at angles of $60^\circ$ and $90^\circ$ with respect to the axis of $P_1$. The source $S$ has an intensity of $\frac{256 \, \text{W}}{\text{m}^2}$. The intensity of light at point $O$ is _____ $\frac{\text{W}}{\text{m}^2}$.

Two transparent media having refractive indices 1.0 and 1.5 are separated by a spherical refracting surface of radius of curvature 30 cm. The centre of curvature of surface is towards denser medium and a point object is placed on the principle axis in rarer medium at a distance of 15 cm from the pole of the surface. The distance of image from the pole of the surface is _____ cm.

Unpolarised light of intensity 32Wm^-2 passes through the combination of three polaroids such that the pass axis of the last polaroid is perpendicular to that of the pass axis of first polaroid. If intensity of emerging light is 3Wm^-2 , then the angle between pass axis of first two polaroids is ______º .

As shown in the figure, a plane mirror is fixed at a height of 50 cm from the bottom of tank containing water (μ = 4/3). The height of water is the tank is 8 cm. A small bulb is placed at the bottom of the water tank. The distance of image of the bulb formed by mirror from the bottom of the tank is ____cm.

distance of image of the bulb formed by mirror

The refractive index of a transparent liquid filled in an equilateral hollow prism is √2. The angle of minimum deviation for the liquid will be____.