Consider the following statement The principle of total internal reflection is applicable to explain...........

General Science (Easy) Physics

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Consider the following statement:

The principle of total internal reflection is applicable to explain the

1. Formation of mirage in desert.

2. Formation of image in microscope.

3. Colour of evening sky.

4. Operation of optical fibres.

Which of the statement given above are correct?

1 and 4

3 and 4

2 and 3

1 and 2

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Explanation:

1 and 4

- As total internal reflection is the reflection of the incident light, which hits a medium boundary at an angle greater than the critical angle, relative to the surface. Total internal reflection takes place only when the following two conditions are satisfied: The angle of incidence is greater than the critical angle

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