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प्रश्न
Fill in the blank
Light consists of .............. colours.
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उत्तर
Light consists of seven colours.
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संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
Fill in the blank.
Light travels in a ................. path.
What is a transparent medium? Give two examples.
Write the names of some transparent objects.
Tick the correct answer.
The natural source of light is
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 |
The angle of deviation of light ray in a prism depends on the angle of ______.
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
What happens to light when it gets dispersed? Give an example.
A student observes a tree given in the following figure through a pin hole camera. Which of the diagrams given in the following figure (a) to (d), depicts the image seen by her correctly?
