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Why centre of the curvature of …

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Why centre of the curvature of lens is equal to two times of principal focus?(C=2F)??
  • 7 answers

Shreeyanshi Shukla 5 years, 8 months ago

It lies between centre of curvature and pole.

Pk . 5 years, 8 months ago

Sabka yahi mtlb hai bhai....

Shawn Sj 5 years, 8 months ago

refer byjus videos!!!!

Shawn Sj 5 years, 8 months ago

MOST ACCURATE ANSWER IS HERE!!!! A CONCAVE MIRROR HAS 2F = C JUST AS AN APPOPROXIMATION. ONLY PARABOLIC MIRRORS ONLY 2F = C SO REALLY FOR CONCAVE MIRROR 2F =/ C

Pk . 5 years, 8 months ago

Yeah it's taken on the basis of observation

Shreya_ S❤️ 5 years, 8 months ago

Probably after many experiments , it would be taken as formula.!

Shreya_ S❤️ 5 years, 8 months ago

It had been found after observing many lenses and mirrors.
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