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प्रश्न
The diagram (figure) given below shows two parallel rays 1 and 2 incident on (a) a concave mirror, (b) a convex mirror. Draw the reflected rays and mark the focus by the symbol F.
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संबंधित प्रश्न
| Column I | Column II | Column III | |
| 1 | Dispersion | Long-sightedness | Twinkling of stars |
| 2 | Refraction | Splitting of white light into component colours | Convex lens |
| 3 | Hypermetropia | Change in the direction of the ray of light due to change in medium | Spectrum of seven colours |
Write all the capital letters of the alphabet which look the same in a plane mirror.
As light rays pass from water into glass, are they refracted towards the normal or away from the normal?
What is meant by 'refraction of light'? Draw a labelled ray diagram to show the refraction of light.
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of incidence?
Fill in the blank and Explain the completed sentences.
The change in ______ of light rays while going from one medium to another is called refraction.
Which surface will not reflect most of the light falling on them?
How does the light travel?
Light bends as it passes from one medium to another. What is this phenomenon called?
Under what circumstances there won’t be any refraction of light when it enters from one medium to another?
