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NTS - NAT ICS Test - Physics - Geometrical Optics - Quiz 2

Practice 10 high yield MCQs on Physics from Chapter Geometrical Optics for NAT ICS Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 2 of the series.

11. What is an optically rarer medium?



12. What is the critical angle?



13. What principle do optical fibers work on?



14. What is the approximate critical angle for water-air interface?



15. Why does a diamond sparkle?



16. Which lens converges light rays?



17. Which lens diverges light rays?



18. What is the lens formula?



19. What is the power of a convex lens of focal length 0.5 m?



20. What is the sign of power for a concave lens?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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