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Earn 100
Differentiate between regular and diffused reflection.
Important Questions on Light
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What is reflection of light? Write law of reflection and draw labelled diagram.
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If a mirror forms erect image for objects placed between pole and focus, and it forms real-inverted image for object placed anywhere between focus and infinity, then the mirror is:
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| column A | column B. |
| 1. A device used for seeing hexagonal image of an object | (a) Regular reflection |
| 2. A mirror used in solar cookers. | (b) Kaleidoscope |
| 3. A kind of reflection in which reflected rays travel parallel to one another. | (c) Plane mirror |
| 4. The kind of reflection taking place from the walls of a room. | (d) Dispersion |
| 5. The phenomenon of splitting of white light | (e) Diffused reflection |
| 6. A part of the eye which focusses rays on the retina. | (f) Yellow spot |
| 7. A highly sensitive part on the retina of human eye | (g) Crystalline lens |
| 8. A jelly like fluid found in the posterior part of the eye. | (h) Braille |
| 9. A defect in the eye when a person can see nearer objects, but not far-off objects. | (i) Vitreous humour |
| 10.Myopia A special script designed for visually challenged people for reading. | (j)Myopia |
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What type of reflection of light takes place from a cinema screen?
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What is the difference between regular reflection and diffused reflection of light? Name one object which can produce regular reflection of light and another which produces diffuse reflection of light.
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Mention against each of the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in case of piece of paper.
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