Question

6. In the given diagram, three rays of light pass through focal point F, to the con-
verging lens. placed along vertical line. Which of the following is correct regard-
ing this?
1) The speed of light rays decreases when they enter the converging lens.
2) The speed of light rays decreases when they leave the converging lens.
3) The speed of lighi rays increases when they enter the converging lens
4) The speed of light rays remains same while entering or leaving the converging
lens.
1​

Answer 1

Answer:

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