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What kind of lens is used as a magnifyin...

What kind of lens is used as a magnifying glass ?

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A concave lens is used as a magnifying glass.

When a convex lens is used as magnifying glass (simple microscope) a real, inverted and enlarged image is produced,

[" The focal length of a convex lens is "10" cm.Find its "],[" magnifying power when it is used as a magnifying glass to "],[" form the image at (i) near point and (ii) far point "]

The focal length of a convex lens is 10 cm.Find its magnifying power when it is used as a magnifying glass to form the image at (i) near point and (ii) far point

When a convex lens of 2.5 cm focal length is used as a magnifying glass, norma eye can see an object clearly at a distance of 25 cm. The magnifying power of the instrument is

The focal length of a convex lens is "10cm.Find its magnifying power when it is used as a magnifying glass to form the image at (i) near point and (ii) far point

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LAKHMIR SINGH & MANJIT KAUR-LIGHT-EXERCISEE
  1. What colours make up white light ?

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  2. What is a lens ? Name the two types of lenses. Name any five things wh...

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  3. What kind of lens is used as a magnifying glass ?

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  4. Which type of reflector is used in car headlights for producing a para...

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  5. Name a natural phenomenon which is caused by the dispersion of sunligh...

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  6. Why does a parting in our hair on the left appear to be a parting on t...

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  7. What information do we get about sunlight from the formation of a rain...

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  8. In what way is the word AMBULANCE painted in front of the hospital van...

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  9. What is a real image ? Give one example of real image.

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  10. What is a virtual image ? Give one example of virtual image.

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  11. You see your image in a plane mirror. State two characteristics of the...

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  12. State three characteristics of the image of an object formed by a conc...

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  13. Explain how, we are able to see the table lying in a room though it do...

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  14. State three characteristics of the image formed by a convex mirror of ...

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  15. Name the type of mirror used by dentists. How does it help ?

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  16. How many colours are present in a rainbow ? Name them.

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  17. A vitual image larger than the object can be produced by

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

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  19. The image formed by a concave mirror is seen to be virtual, erect and ...

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  20. A convex lens a focal length of 10 cm. At which of the following posit...

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