Focal length of a concave mirror is (a) negative (b) positive (c) depends on the position of object (d) depends on the position of image

Light Reflection and Refraction

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01/12/2020 3:06 pm

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Tulika pia

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Focal length of a concave mirror is

(a) negative

(b) positive

(d) depends on the position of image

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01/12/2020 3:06 pm

Kinjal ray

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(a) negative

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