# NCERT Class 12 Chapter 9 Physics Ray Optics and Optical Instruments MCQ | Questions & Answers

NCERT Class 12 Chapter 9 Physics Ray Optics and Optical Instruments MCQ | Questions & Answers: Want to learn about Chapter 9 Ray Optics and Optical Instruments in NCERT Class 12? well then here is the best article for you. Here we have arranged questions related to Ray Optics and Optical Instruments in a multiple-choice format which can help you in learning.

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1. The light reflected by a plane mirror may form a real image

2. For a total internal reflection, which of the following is correct?

3. Which of the following forms a virtual and erect image for all positions of the object?

4. A convex and a concave mirror of radii 10 cm each are facing each other and 15 cm apart. A point object is placed midway between them. Then position of the final image if the reflection first takes place at the concave mirror and then in the convex mirror is

5. In image formation from spherical mirrors, only paraxial rays are considered because they

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. Which of the following cannot be polarised?

8. When the object is located at the F of a concave mirror then

9. For reflection through spherical surfaces, the normal at the point of incidence is

10. Mirage is a phenomenon due to