Q: Power of a lens of focal length 25 cm is
(a)+2·5 Dioptre
(b)+3 Dioptre
(c)+4 Dioptre
(d)+5 Dioptre
Correct Answer: (d)
Detailed explanation coming soon.
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NDA 2021 Session IIQ. 132 of 144
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Q: Power of a lens of focal length 25 cm is
Correct Answer: (d)
Detailed explanation coming soon.