Class 12 Physics: Ray Optics Basics Worksheet

This worksheet covers fundamental concepts of Ray Optics and Optical Instruments, including reflection, refraction, and image formation, suitable for Class 12 CBSE students.

Class 12CBSEPhysicseasyPractice

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Preview · 10 questions

Q1. Which phenomenon is responsible for the twinkling of stars?
- Reflection of light
- Refraction of light
- Dispersion of light
- Total internal reflection
Q2. If a ray of light passes from a denser medium to a rarer medium, it bends:
- Towards the normal
- Away from the normal
- Parallel to the normal
- Without bending
Q3. The focal length of a plane mirror is:
- Zero
- Infinity
- Negative
- Positive
Q4. For total internal reflection to occur, the light must travel from:
- Rarer to denser medium
- Denser to rarer medium
- Any medium to any other medium
- Vacuum to any medium
Q5. Which of the following is true for a virtual image?
- It can be obtained on a screen
- It is always inverted
- It is formed when reflected/refracted rays appear to diverge from a point
- It is always formed by a converging lens

+ 5 more in the printable PDF.