Question

1)
the uses of concave ​

Answer 1

Answer:

1. They are commonly used in torches , searchlights, and headlights of vehicles for powerful parallel beams of light .

2. They are used in shaving mirrors to s e larger image of face.

3. Dentist use them to larger image of the teeth's of patients.

Answer 2

Answer:

1. They are used as reflectors in the headlights of

car, search lights, etc.

2. They are used by dentists to focus light on the

tooth to be examined.

3. They are used as shaving and mack- up mirrors.

4. They are used in solar heaters collect radiations.

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