State the rules used for drawing ray diagrams for the formation of an

1.	State the rules used for drawing ray diagrams for the formation of an imageby a concave lens.
Answer» EXPLANATION: Rules 1. A RAY of light parallel to the principal axis of the concave lens appears to be coming from focus after refraction through the lens 2. A ray of light passing through the optical centre of the concave lens goes straight after refraction through the lens. 3. when a light ray falls on focus then it goes parallel to the principal axis after refraction.

State the rules used for drawing ray diagrams for the formation of an imageby a concave lens.

Answer»

Rules

1. A RAY of light parallel to the principal axis of the concave lens appears to be coming from focus after refraction through the lens

2. A ray of light passing through the optical centre of the concave lens goes straight after refraction through the lens.

3. when a light ray falls on focus then it goes parallel to the principal axis after refraction.

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State the rules used for drawing ray diagrams for the formation of an imageby a concave lens.​

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State the rules used for drawing ray diagrams for the formation of an imageby a concave lens.