What is the angle of refraction when a light ray is

Chapter 32, Problem 9Q

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QUESTION:

Problem 9Q

What is the angle of refraction when a light ray is incident perpendicular to the boundary between two transparent materials?

Questions & Answers

QUESTION:

Problem 9Q

What is the angle of refraction when a light ray is incident perpendicular to the boundary between two transparent materials?

ANSWER:

Solution 9Q:

        Ray of light travelling from one medium to another medium get deviated, this phenomenon is known as refraction. We have to determine the angle of refraction when it is incident perpendicular to the boundary between two transparent materials.

Step 1 of 3

Concept:

Refraction: The phenomenon of bending of light as it passes obliquely from one transparent medium to another medium is called refraction of light.

Laws of Refraction:

The incident ray, the normal at the point of incidence and the refracted ray all lie in the same plane.

The ratio of sine of angle of incidence to the sine of angle of refraction is always  constant for the two media and can be written mathematically as

                

                                

Refractive index of the first medium

Refractive index of the second medium

Angle of incidence of light ray with the normal in first medium

Angle of refraction with the normal in second medium

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