Light Quiz - CBSE Class 10 Science

Free practice quiz: Light (CBSE Class 10 Science). 18 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 10 Science practice quiz has 18 multiple-choice questions on Light. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. What is light made up of?

   1. Photons
   2. Electrons
   3. Atoms
   4. Neurons
   Show answer

   Answer: A. Photons

2. What happens to light when it passes through a prism?

   1. It changes shape
   2. It bends and disperses
   3. It disappears
   4. It becomes sound
   Show answer

   Answer: B. It bends and disperses

3. What is the main source of natural light on Earth?

   1. The Moon
   2. The Stars
   3. The Sun
   4. Electric Bulbs
   Show answer

   Answer: C. The Sun

4. What is the visual range of human eyes in nanometers?

   1. 380-750 nm
   2. 300-600 nm
   3. 400-800 nm
   4. 450-900 nm
   Show answer

   Answer: A. 380-750 nm

5. How does light travel through different media?

   1. At the same speed
   2. Slower in denser media
   3. Faster in denser media
   4. Stops totally
   Show answer

   Answer: B. Slower in denser media

More questions in this quiz

Answers and explanations are in the full quiz.

1. What is the speed of light in a vacuum?
2. Which of the following is a property of light?
3. What is the phenomenon of light bending called?
4. How does the angle of incidence relate to the angle of reflection?
5. Which color of light is bent the most when passing through a prism?
6. What phenomenon explains why the sky appears blue during the day?
7. What device is used to measure the intensity of light?
8. Which law describes the relationship between the angles of incidence and refraction?
9. What are the primary colors of light?
10. What does a concave lens do to light rays?
11. When light enters a denser medium, what happens to its speed?
12. Which of the following is a characteristic of an image formed by a plane mirror?
13. What happens to white light when it passes through a glass prism?

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