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प्रश्न
Match the Following
| Column A | Column B |
| (a) white Light | (1) Convex mirror |
| (b) Refraction | (2) Concave mirror |
| (c) Virtual images | (3) refraction |
| (d) Real images | (4) spectrum |
| (e) Prism | (5) ray of light from glass to air |
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उत्तर
| Column A | Column B |
| (a) White light | (1) Spectrum |
| (b) Refraction | (2) Ray of light from glass to air |
| (c) Virtual images | (3) Convex mirror |
| (d) Real images | (4) Concave mirror |
| (e) Prism | (5) refraction |
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संबंधित प्रश्न
State and explain the laws of reflection of light at a plane surface (like a plane mirror), With the help of a labelled ray-diagram. Mark the angles of 'incidence' and 'reflection' clearly on the diagram. If the angle of reflection is 47.5°, what will be the angle of incidence?
With the help of a labelled ray-diagram, describe how a plane mirror forms an image of a point source of light placed in front of it. State the characteristics of the image formed in a plane mirror.
Explain how to read the following message which was found on some blotting paper:
A ray of light when passes from glass to air, bends towards the normal.
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.
Lights of different colours are used as signal for safety transport. From these, the wavelength of red light is _______ nm.
Light travels fastest in a vacuum. Why?
A ray of light traveling in medium 1 strikes and travels into another transparent medium 2. If the speed of light is greater in medium 1, the ray will ______.
Twinkling of stars and Mirage are the two phenomena occurring due to refraction.
In refraction of light through a glass slab, the directions of the incident ray and the refracted ray are ______.
