Home > Class 12 Physics > Quizzes > MCQs for Ray Optics and Optical Instruments
MCQs for Ray Optics and Optical Instruments
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 39% • Most missed: “An under-water swimmer cannot see very clearly even in absolutely clear water be…”
MCQs for Ray Optics and Optical Instruments
Time left 00:00
11 Questions

1. For a total internal reflection, which of the following is correct?
2. An under-water swimmer cannot see very clearly even in absolutely clear water because of
3. Which of the following colours of white light deviated most when passes through a prism?
4. A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length will
5. Two lenses of focal lengths 20 cm and '40 cm are held in contact. The image of an object at infinity will be formed by the combination at
6. Critical angle of glass is θ2 and that of water is θ2. The critical angle for water and glass surface would be (μg = 3/2, μw = 4/3).
7. A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 'em in such a way that its end closer to the pole is 20 cm away from the mirror. The length of the image is
8. An astronomical refractive telescope has an objective of focal length 20 m and an eyepiece of focal length 2 cm. Then
9. Mirage is a phenomenon due to
10. Two beams of red and violet color are made to pass separately through a prism (angle of the prism is 60°). In the position of minimum deviation, the angle of refraction will be
11. Which of the following forms a virtual and erect image for all positions of the object?

⚡ Recently practiced quizzes in this topic
Live quiz activity
Class 12 Physics Practice Test: Ampere's Circuital Law Class 12 Physics Practice Test: Coulomb's Law Class 12 Physics Practice Test: Magnetism and Gauss's Law Class 12 Physics: Electrostatic Potential and Capacitance Class 12 Physics Practice Test: Combination of Capacitors Class 12 Physics Practice Test: Cells, EMF and Internal Resistance Class 12 Physics Practice Test: Motional Electromotive Force Class 12 Physics Practice Test: Torque on Current Loop & Magnetic Dipole Class 12 Physics: Current Electricity Class 12 Physics: Charges and Fields
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.