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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
Match the following
| (a). A light ray passes from air to glass | (1) . speeds up |
| (b). A light ray passes from glass to water | (2). reflects red light |
| (c). Virtual image | (3). primary colours |
| (d). Red rose | (4). plane mirror |
| (e). Red, green, and blue | (5). slows down |
Write true or false of the following statement.
Light travels in a straight-line path.
How does light make an object visible?
What do we call a substance through which light passes? Give an example of such a substance.
Tick the correct answer.
Light causes
Tick the correct answer.
The natural source of light is
Write true or false
The moon has its own light.
Answer the following.
Name some sources of light that are not hot.
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.
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.
