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Why does a ray of light bend when it tra...

Why does a ray of light bend when it travels from one medium to another.

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Different media have different optical density. Therefore, velocity of light in different media is different. That is why a ray of light bends when it travels from one medium to another.
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PRADEEP-REFLECTION AND REFRACTION-Additional Question
  1. Draw Fig. in your answer book and show the formation of image with the...

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  2. Which property of concave mirror is utilized for using them as shaving...

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  3. Why does a ray of light bend when it travels from one medium to anothe...

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  4. Draw the given diagram, Fig. in your answer book and complete it for t...

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  5. if you focus the image of a distant object, whose shape is given belo...

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  6. Take down this diagrams, Fig. on to your answer book and complete the ...

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  7. Take down Fig. on to your answer book and complete the path of the ray...

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  8. The range of wavelength of the visible light is

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  9. Which colour of the light has the longest wavelength?

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  10. Can light travel in vacuum ? If yes, with what speed ?

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  11. What is the speed of light in air ?

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  12. What is a ray light ?

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  13. Name the best reflector of light.

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  14. On what factors does the focal length of a spherical mirror depend ?

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  15. Do the laws of reflection change, when we use a spherical mirror inste...

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  16. Complete the following ray diagrams. State the size and nature of imag...

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  17. Can an object be virtual ?

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  18. Can a real image be taken on a screen ?

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  19. Do lights rays actually pass through a real image ?

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  20. Do lights rays actually pass through a virtual image ?

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