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State three characteristics of the image...

State three characteristics of the image of an object formed by a concave lens.

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State three characteristics of the image formed by a convex lens when the object is close to it.

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Show by drawing a ray-diagram that the image of an object formed by a concave lens is virtual, erect and diminished.

LAKHMIR SINGH & MANJIT KAUR-LIGHT-EXERCISEE
  1. What is a virtual image ? Give one example of virtual image.

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

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

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

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

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

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

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

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

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

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

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  12. The image of a real object formed by a plane mirror is -

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  13. A diverging mirror is :

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  14. The image formed by a spherical mirror is virtual. The mirror will be.

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  15. Whatever be the position of the object, the image formed by a mirror i...

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  16. If the image formed is always virtual, the mirror can be :

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  17. A concave mirror cannot be used as :

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  18. Which type of mirror can form a real image ?

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  19. The mirror which can form a magnified image of an object is :

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  20. An object is kept at a distance of 15 cm from a convex lens of focal l...

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