Electromagnetic Theory-Reflection and Refraction (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 3 of 4

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 1

» Electromagnetic Theory » Reflection and Refraction

Appeared in Year: 2011

MCQ▾

Question

In a Young’s double slit interference experiment, the slits are at a distance 2L from each other and the screen is at a distance D from the slits. If a glass slab of refractive index Equation and thickness Equation is placed in the path of one of the beams, the minimum value of d for the central fringe to be dark is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Electromagnetic Theory » Reflection and Refraction

Appeared in Year: 2014

MCQ▾

Question

A plane electromagnetic wave incident normally on the surface of a material is partially reflected. A measurement on the standing wave in the front of the interface shows that the ratio of the electric field amplitude at the maxima and the minima is 5. The ratio of the reflected intensity to the incident intensity is (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Electromagnetic Theory » Reflection and Refraction

Appeared in Year: 2011

MCQ▾

Question

Circularly polarized light with intensity Equation is incident normally on a glass prism as shown in the figure. The index of refraction of glass is Equation . The intensity I of light emerging from the prism is:

A circularly polarized light incident on a prism

A Circularly Polarized Light Incident on a Prism

Figure shows circularly polarized light with intensity I0 is incident normally on a glass prism.

(June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In