Applications of Light Quiz - CBSE Class 6 Science

Free practice quiz: Applications of Light (CBSE Class 6 Science). 14 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is one of the main applications of a prism?

   1. To split light into colors
   2. To reflect light
   3. To absorb light
   4. To create shadows
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   Answer: A. To split light into colors

   A prism is designed to refract light, which causes it to separate into its constituent colors.

2. How does a magnifying glass help in seeing small objects?

   1. By increasing light
   2. By bending light
   3. By reflecting light
   4. By blocking light
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   Answer: B. By bending light

   A magnifying glass bends light rays to make small objects appear larger.

3. If a beam of light passes from air into water, what happens?

   1. Scatters
   2. Reflects
   3. Bends
   4. Absorbs
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   Answer: C. Bends

   When light passes from air into water, it bends due to a change in medium which causes a change in speed.

4. What is the effect of a concave lens on light rays?

   1. Converges them
   2. Diverges them
   3. Blocks them
   4. Reflects them
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   Answer: B. Diverges them

   A concave lens causes parallel light rays to diverge or spread out.

5. What is the primary use of lasers in modern technology?

   1. To scatter light
   2. To amplify light
   3. To absorb light
   4. To bend light
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   Answer: B. To amplify light

   Lasers work by amplifying light through stimulated emission, providing coherent light beams.

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