the mirror used in search light are parabolic.explain
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it is because spherical mirrors are not perfect i.e. all the light rays parallel to the principal axis don't pass through the focus whereas parabolic mirrors are perfect.
so they are used to get a parallel beam of light
so they are used to get a parallel beam of light
Answered by
1
Answer:it is because spherical mirrors are not perfect i.e. all the light rays parallel to the principal axis don't pass through the focus whereas parabolic mirrors are perfect.
so they are used to get a parallel beam of light
Explanation:
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