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ECAT - Practice Test - Physics - Optics Quiz

Attempt 10 MCQs on ECAT - Practice Test - Physics - Optics | Quiz 5

41. What image does a convex mirror form for a real object?



42. What type of images can a concave mirror form?



43. What is the total power of two lenses in contact?



44. What is the refractive index of air (approx)?



45. How does light bend when going from denser to rarer medium?



46. How does speed of light change in a denser medium?



47. What is the far point of a myopic eye and how is it corrected?



48. What is the near point of a hypermetropic eye and how is it corrected?



49. What is the refractive index of water (approx)?



50. What principle is used in optical fibres?



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