8th Class: Light Chapter
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Questions and Answers

What is the process by which light bends when it passes from one medium to another?

  • Transmission
  • Absorption
  • Refraction (correct)
  • Reflection

Total internal reflection occurs when light passes from a denser medium to a rarer medium.

True (A)

When light falls on a surface, it can be _______________, absorbed, or transmitted.

reflected

What is the speed of light in vacuum?

<p>3 × 10^8 m/s</p> Signup and view all the answers

Match the following types of mirrors with their characteristics:

<p>Convex mirror = Forms a virtual and erect image Concave mirror = Forms a real and inverted image Plane mirror = Forms a virtual and erect image of the same size</p> Signup and view all the answers

Study Notes

Refraction of Light

  • The process by which light bends when it passes from one medium to another is called refraction.

Total Internal Reflection

  • Occurs when light passes from a denser medium to a rarer medium.

Speed of Light

  • The speed of light in a vacuum is a constant value.

Interaction of Light with a Surface

  • When light falls on a surface, it can be reflected, absorbed, or transmitted.

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Description

Test your understanding of light and its properties, including refraction, total internal reflection, speed of light, and types of mirrors. Includes diagram-based questions.

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