English

A Ray of Light Passes from Water to Air. How Does the Speed of Light Change?

Advertisements
Advertisements

Question

A ray of light passes from water to air. How does the speed of light change?

Advertisements

Solution

The speed of light increases as it passes from water to air.

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March) Science Paper 1

RELATED QUESTIONS

Select from the following the best experimental setup for tracing the path of a ray of light passing through a rectangular glass slab.

(a) P

(b) Q

(c) R

(d) S


Study the following four experimental set-ups I, II, III and IV for the experiment, "To trace the path of a ray of light through a rectangular glass slab."

Which of the marked set-ups is likely to give best results (P1 and P2 are the positions of pins fixed on the incident ray)?

(A) I

(B) II

(C) III

(D) IV


On the basis of the experiment, "To trace the path of a ray of light through a rectangular glass slab", students of a class arrived at which one of the following conclusions?

(A) Angle of incidence is greater than the angle of emergence.

(B) Angle of emergence is smaller than the angle of refraction.

(C) Emergent ray is parallel to the refracted ray.

(D) Incident ray and emergent ray are parallel to each other.


Draw diagrams to show the refraction of light from 

  1. air to glass, and
  2. glass to air. In each diagram, label the incident ray, refracted ray, the angle of incidence
  3. and the angle of refraction (r).

For which colour of white light, is the refractive index of a transparent medium the most?


The highest refractive index is of ______.


A ray of light of wavelength 6600 Å suffer refraction from air to glass. Taking \[\ce{_a\mu_g = \frac{3}{2}}\], find the wavelength of light in glass.


Explain the meaning of the term refraction. A ray of monochromatic light is incident from air on a glass slab. Draw a ray diagram indicating the change in its path till it emerges out of the slab.

How does the deviation produced by a prism depend on the refraction index of its material.


The velocity of light in diamond is 121000 kms-1. What is its refractive index?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×