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प्रश्न
Match the following
| Column A | Column B |
| 1. Transparent object | i. Football |
| 2. Eclipses | ii. Glass |
| 3. Translucent object | iii. Fluorescent tube |
| 4. Luminous object | iv. Tracing paper |
| 5. Non - luminous object | v. Shadows |
जोड्या लावा/जोड्या जुळवा
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उत्तर
| Column A | Column B |
| 1. Transparent object | ii. Glass |
| 2. Eclipses | v. Shadows |
| 3. Translucent object | iv. Tracing paper |
| 4. Luminous object | iii. Fluorescent tube |
| 5. Non - luminous object | i. Football |
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is a natural source of light.
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Moon is a .................. body.
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Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
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| e. Solar eclipse | v. complete dark park |
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Answer the following.
What is meant by luminous intensity? What is one lumen?
Match the following.
| Group A | Group B |
| (a) Mirror | (1) Non-luminous |
| (b) Firefly | (2) Inverted image |
| (c) Pinhole camera | (3) Reflection |
| (d) Moon | (4) Luminous |
Light is a form of ______.
What happens to light when it gets dispersed? Give an example.
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