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प्रश्न
Answer the following.
List two transparent objects.
उत्तर
Water, glass.
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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 |
Is the moon a luminous object?
What do we call a substance through which light passes? Give an example of such a substance.
Fill in the blank
The brightness of light is measured in ...................
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Answer the following.
List four natural sources of light.
When a ______ object comes in the way of light, light passes ______ it.
The mirror used in search light is ______.
The angle of deviation of light ray in a prism depends on the angle of ______.
A student observes a tree given in Fig. 11.2 through a pin hole camera. Which of the diagrams given in Fig. 11.3 (a) to (d), depicts the image seen by her correctly?
