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Why is concave mirror used in solar devi...

Why is concave mirror used in solar devices?

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Why are concave mirrors used in solar devices?

Give scientific reasons: A concave mirror is used in reflectors in search lights.

Concave mirrors are used in torches and in car headlights.

State whether the following are True or False : Concave mirrors are used in refracting telescopes.

Give scientific reasons: A concave mirror is used for shaving.

Answer the following questions: When an object is kept at 50 cm in front of a concave mirror, Its real image is obtained at the same distance from the mirror. What is the focal length of the mirror?

Give scientific reasons: A convex mirror is used as a rear-view mirror in a car.

Draw ray diagrams for the cases of images obtained in concave mirrors: A ray diagram for object at focus for a concave mirror.

Draw ray diagrams for the cases of images obtained in concave mirrors: A ray diagram for object at the centre of curvature for a concave mirror.

NAVNEET PUBLICATION-REFLECTION OF LIGHT-EXERCISE
  1. Answer the following questions: The focal length of a concave mirror ...

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  2. Answer the following questions: Which type of mirrors are used in the...

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  3. Why is concave mirror used in solar devices?

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  4. Give scientific reasons: Why does obtaining the image of the sun on ...

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  5. Give scientific reasons: A concave mirror is called a converging mirr...

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  6. Give scientific reasons: A concave mirror is used for shaving.

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  7. Give scientific reasons: A concave mirror is used in reflectors in se...

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  8. Give scientific reasons: While examining the teeth, a dentist uses an...

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  9. Give scientific reasons: An image formed by a convex mirror is always...

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  10. Give scientific reasons: A convex mirror is used as a rear-view mirro...

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  11. Distinguish between: Real image and Virtual image

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  12. Distinguish between Convex mirror and Concave mirror.

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  13. Solve the numerical problem Swarali has a doll. She wishes to keep it...

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  14. The real image of an object placed at 60 cm from a concave Mirror is ...

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  15. The focal length of a concave mirror is 15 cm. if the object distance ...

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  16. The focal length of a concave mirror is 15 cm. if the object distance...

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  17. An object of height 3 cm is placed at 9 cm from a concave mirror. The...

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  18. When an object is placed at 6 cm in front of a concave mirror, its vir...

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  19. When an object is placed at 0.5 m from a concave mirror, its real imag...

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  20. At what distance from a concave mirror of focal length 2 m should a bo...

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