Question

Define a beam of light and explain its types with the aid of diagrams.​

Answer 1

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• Ray of light: The direction or path along which light energy travels in a medium is called a ray of light.

• It is represented by a straight line with an arrow marked on it.

• Beam of light: A group of light rays is called a beam of light. A beam of light may be parallel, convergent or divergent

Answer 2

• Ray of light: The direction or path along which light energy travels in a medium is called a ray of light.
• It is represented by a straight line with an arrow marked on it.
• Beam of light: A group of light rays is called a beam of light. A beam of light may be parallel, convergent or divergent