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Which of the following materials cannot ...

Which of the following materials cannot be used to make a lens?

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MBD-LIGHT:REFLECTION AND REFRACTION-EXAMPLE
  1. A convex lens from a real and inverted image of a needle at a distance...

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  2. Find the power of a concave lens of focal length 2 meters?

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  3. Which of the following materials cannot be used to make a lens?

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  4. The image formed by a concave mirror is observed to be virtual, erect ...

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  5. Where should an object be placed in front of a convex lens to get a re...

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  6. A spherical mirror and a thin spherical lens have each a focal length ...

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  7. No matter how you stand from a mirror, your image apperas erect.The mi...

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  8. Which of the following lenses would you prefer to use while reading sm...

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  9. We wish to obtain an erect image of an object, using a concave mirror ...

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  10. Name the type of mirror used in the following situation: head light of...

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  11. Name the type of mirror used in the following situation: Sider/rear-vi...

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  12. Name the type of mirror used in the following situation: Solar furnace

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  13. One half of a convex lens is covered with a black paper .Will this len...

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  14. An object 5 cm in length is held 25cm away from a converging lens of f...

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  15. A concave lens of focal length 15cm forms an image 10 cm from the lens...

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  16. An object is placed at a distance of 10 cm from a convex mirror of foc...

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  17. The magnification produced by plane mirror is +1. What does this mean?

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  18. An object 5.0 cm of length is placed at a distance of 20 cm in front o...

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  19. An object of size 7.0 cm is placed at 27 cm in front of a concave mirr...

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  20. Find the focal length of a lens of power- 2.0 D.What type of lens this...

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