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प्रश्न
When a ______ object comes in the way of light, light passes ______ it.
पर्याय
seven
star
through
transparent
opaque
colors
shape
erect
inverted
luminous
candle
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उत्तर
When a transparent object comes in the way of light, light passes through it.
संबंधित प्रश्न
Write true or false of the following statement.
The moon is a natural source of light.
List two artificial sources of light.
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Fill in the blank
Light consists of .............. colours.
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 |
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.
When a beam of white light passes through a prism it gets ______.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Observe the picture given in the following figure carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
