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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.