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$Reflection and Refraction of Light in a Glass Slab$

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Reflection and Refraction of Light in a Glass Slab

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Questions and Answers

What physical quantity is used to express the extent of change in direction of a ray of light when it travels from one transparent medium to another?

Refractive index

In which medium does light travel the fastest?

Vacuum

What is the symbol usually used to represent the refractive index of medium 2 with respect to medium 1?

n21

What is the relationship between the refractive index and the speed of light in different media?

The refractive index depends on the speed of light in the media. Signup and view all the answers

What does Snell's Law describe?

The relationship between the angles of incidence and refraction. Signup and view all the answers

What happens to the speed of light as it moves from air to glass?

The speed of light decreases. Signup and view all the answers

What is the refractive index of a medium that has the same speed of light as vacuum?

1 Signup and view all the answers

How is the refractive index calculated when light moves from medium 2 to medium 1?

It is the inverse of the ratio of speeds of light in the two media. Signup and view all the answers

What does a higher refractive index imply about the speed of light in a medium?

A higher refractive index implies a slower speed of light in the medium. Signup and view all the answers

How does the refractive index affect the bending of light when it enters a new medium?

The refractive index determines the amount of bending of light when it enters a new medium. Signup and view all the answers