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Optical Fibre Basics

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Questions and Answers

What is the principle that optical fibres work on?

Diffraction

Total internal reflection (correct)

Reflection

Refraction

What is the phenomenon in which light is totally reflected from a denser-to-rarer medium boundary, at an angle greater than critical angle, known as?

Total internal reflection (correct)

Diffraction

Reflection

Refraction

When a light ray passes from rarer medium to denser medium, how is it bent?

Away from the normal

Toward the normal (correct)

Perpendicular to the normal

Parallel to the normal

What law relates the angles of incidence and refraction to the refractive indices of the two media?

<p>$n_1\sin\theta_1 = n_2\sin\theta_2$</p> Signup and view all the answers

In which direction is a light ray bent when it passes from a denser medium to a rarer medium?

<p>Toward the normal</p> Signup and view all the answers

Optical Fibre Basics

Choose a study mode

Podcast

Questions and Answers

What is the principle that optical fibres work on?

What is the phenomenon in which light is totally reflected from a denser-to-rarer medium boundary, at an angle greater than critical angle, known as?

When a light ray passes from rarer medium to denser medium, how is it bent?

What law relates the angles of incidence and refraction to the refractive indices of the two media?

In which direction is a light ray bent when it passes from a denser medium to a rarer medium?

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