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प्रश्न
Answer the following.
What is light?
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उत्तर
Light is a form of Energy i.e. The external physical cause that affects our eye to produce the sensation of vision.
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संबंधित प्रश्न
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 |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Can a transparent medium form an image? Explain your answer.
Write the names of some cold light-emitting objects.
Tick the correct answer
Glass is
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Write true or false
The earth has its own light.
The path of the light is called as ______.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
