If the power of a lens is -2D, what is its focal length? (a) +50 cm (b) -100 cm (c) -50 cm (d) +100 cm

Light Reflection and Refraction

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01/12/2020 3:09 pm

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Tulika pia

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If the power of a lens is -2D, what is its focal length?

(a) +50 cm

(b) -100 cm

(d) +100 cm

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01/12/2020 3:11 pm

Kinjal ray

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