Explain with the aid of a diagram, why a parabolic mirror is preferred to concave mirror as a car head lamp.

Explain with the aid of a diagram, why a parabolic mirror is preferred to concave mirror as a car head lamp.

Explain with the aid of a diagram, why a parabolic mirror is preferred to concave mirror as a car head lamp.

Parabolic mirrors form strong reflected parallel beam when the bulb is placed at the principal axis while the concave mirror reflects a dull spread reflected beam as illustrated by the diagral.

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thanks so much

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  • comment-avatar
    muhu 1 year

    thax alot

  • comment-avatar
    janegrace 8 months

    please give clear information.

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