Advertisements
Advertisements
Question
Green light is incident at the polarising angle on a certain transparent medium. The angle of refraction is 30° . Find
(i) polarising angle, and
(ii) refractive index of the medium.
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
For a glass plate as a polariser with refractive index 1.633, calculate the angle of incidence at which light is polarised.
What dose a polaroid consist of?
When a low flying aircraft passes overhead, we sometimes notice a slight shaking of the picture on our TV screen. Suggest a possible explanation.
What is the value of refractive index of a medium of polarising angle 60°?
With the help of an experiment, state how will you identify whether a given beam of light is polarised or unpolarized?
Discuss polarisation by selective absorption.
How is polarisation of light obtained by scattering of light?
What is normal focusing?
An unpolarised light of intensity 32 Wm-2 passes through three Polaroids such that the axes of the first and the last Polaroids are at 90°. What is the angle between the axes of the first and middle Polaroids so that the emerging light has an intensity of only 3 Wm-2?
Figure shown a two slit arrangement with a source which emits unpolarised light. P is a polariser with axis whose direction is not given. If I0 is the intensity of the principal maxima when no polariser is present, calculate in the present case, the intensity of the principal maxima as well as of the first minima.
