Home
Class 12
PHYSICS
The wavefronts of light coming from a d...

The wavefronts of light coming from a distant source of unknown shape are nearly

A

Plane

B

elliptical

C

cylindrical

D

spherical.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

For light diverging from a point source

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

Answer the following questions: (c) When a tiny circular obstacle is placed in the path of light from a distant source, a bright spot is seen at the centre of the shadow of the obstacle. Explain why?

A beam of light of lambda= 600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between first dark fringes on either side of the central bright fringe is ...

Explain flow from source to sink.

What are the elements obtained from sea water source?

Red light of wavelength 6500 Å from a distant source falls on a slit 0.50 mm wide. Calculate the distance between first two dark bands on each side of central bright band in the diffraction pattern observed on a screen placed 1.8 m from the slit.

If the path difference of the point on the screen from a coherent source is constant, what is shape of trajectory of the point on the screen ?

A coin is at rest at bottom of a tank filled with liquid. A ray of light coming towards surface will move on the surface after incident on it, then what is the speed of light in liquid ?