Wave Optics Physics - Wave Optics

Natural light from the sun is :

In case of linearly polarized light, the magnitude of the electric field vector :

Define the following :
Interference of light

Which property of light is confirmed by the pattern of polarization?

Explain the difference between wave front and ray.

If coherent waves of light produce destructive interference, then what will be the phase difference between them?

Write the upper and lower limits of interference in terms of path difference.

Monochromatic light entering from one medium to another, its wavelength changes but the frequency does not change, explain.

What does the red shift in the spectrum of a galaxy indicate?

Write the importance of Huygens principle. What are the two assumptions of this theory?

Explain the structure of Polaroid.

What is the parallel and crossed arrangement of polaroid?

A beam of light consisting of two wavelengths, 650 nm and 520 nm, is used to obtain interference fringes in a Young's double-slit experiment
(a) Find the distance of the third bright fringe on the screen from the central maximum for wavelength 650 nm.
(b) What is the least distance from the central maximum where the bright fringes due to both the wavelength coincide?

What is the shape of the wavefront in each of the following cases:
(a) Light diverging from point source.
(b) Light emerging out of a convex lens when a point source is placed at its focus.
(b) (c) The portion of the wavelength of light from a distant star intercepted by the Earth.

Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of (a) reflected, and (b) refracted light? Refractive index of water is 1.33.

Derive Snell's law for refraction of light by Huygen's wave theory.

Clear the difference between interference and diffraction.

What are circular and elliptically polarized light?

Explain the uses of Polaroid.

Write the upper and lower limits of interference in terms of path difference.

Bending of light from the edges of the barrier is called ________ .

The effect of diffraction can be observed in sound and ________ waves.

Linear transmission of light in the medium is due to ________ .

In Young's double-slit experiment, if red light is used instead of sodium light, the fringe width will first ________ and then _________ .

If Young's double-slit experiment is done in water instead of air, then the width of the fringe will ________ .