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What do you understand by rectilinear pr...

What do you understand by rectilinear propagation of light?

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Light always travels in a straight line. This property is called the rectilinear propagation of light.
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PEARSON IIT JEE FOUNDATION-LIGHT-SOLVED EXAMPLE
  1. How can you see an object in the dark?

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  2. Does reflection take place if light falls on polished surface of mirro...

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  3. What do you understand by rectilinear propagation of light?

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  4. What do you understand by reflection of light?

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  5. Do you think it is possible for us to see non-luminous objects present...

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  6. What would happen if I threw the light on the mirror along the normal?

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  7. What happens when the light hits the mirror?

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  8. Explain why we cannot see our image on a wooden table or a book.

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  9. Name any two surfaces which would cause diffuse reflection of light.

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  10. If a ray of light incident on an opaque surface makes an angle of 30^@...

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  11. Explain why we can see images on polished and smooth surfaces.

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  12. What do you understand by virtual image. Explain with examples.

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  13. What is lateral inversion ?

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  14. The image formed by a plane mirror is said to be laterally inverted. W...

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  15. State true (T) or false (F). (a) A virtual image can be obtained on ...

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  16. Discuss two characteristics of image formed by plane mirror.

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  17. How do you define an image?

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  18. How does mirror form an image of the object?

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  19. Do we see all objects due to reflected light? Explain why?

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  20. How many mirrors are used to make a kaleidoscope?

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