If the angle between the axis of polariser and the analyser is 45°, write the ratio of the intensities of original light and transmitted light after passing through the analyser.

Solution

Given ,
Angle between the pass axis of polariser and analyser = 45^o

Let, I_o be the intensity of original light. Then,

Intensity of original light passing through the polariser = Io2

Intensity of light passing through the analyser is,
I = Io2cos245o

⇒ IoI = 2cos2 45 = 2(12)2=41
Thus, ratio of intensities of original light to transmitted light is 4:1.

For Daily Free Study Material Join wiredfaculty

Wave Optics

If the angle between the axis of polariser and the analyser is 45°, write the ratio of the intensities of original light and transmitted light after passing through the analyser.

Some More Questions From Wave Optics Chapter

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Phone Number

Email Address

Loaction