Ray Optics-Total Internal Reflection (NEET Physics): Questions 1 - 3 of 3

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Question number: 1

» Ray Optics » Total Internal Reflection

MCQ▾

Question

A glass prism Equation is dipped in water Equation as shown in figure. A light ray is incident normally on the surface AB. It reaches the surface BC after T. I. R

Glass prism dipped in water

Glass Prism Dipped in Water

A glass prism is dipped in water. A light ray is incident normally on the surface AB and reaches the surface BC after total internal reflection.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 2

» Ray Optics » Total Internal Reflection

MCQ▾

Question

Mirages are observed in deserts due to,

Choices

Choice (4) Response

a.

Total internal reflection of light

b.

Interference of light

c.

Dispersion of light

d.

Double refraction of light

Question number: 3

» Ray Optics » Total Internal Reflection

MCQ▾

Question

An optical fiber consists of core of μ 1 surrounded by a cladding of μ < μ 1. A beam of light enters from air at an angle α with axis of fiber. The highest a for which ray can be travelled through fiber is

Optical fiber consist of core and cladding

Optical Fiber Consist of Core and Cladding

In figure an optical fiber consists of core of μ1 surrounded by a cladding of μ < μ1. A beam of light enters from air at an angle α with axis of fiber.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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