f=R/2is valida)for convex mirrors but not for...
f=R/2 is valid

• a)
for convex mirrors but not for concave mirrors
• b)
for concave mirrors but not for convex mirrors
• c)
for both convex and concave mirrors
• d)
neither for convex mirrors nor for concave mirrors

### Related Test

 Harshit Agrawal Dec 06, 2019
Related f=R/2is valida)for convex mirrors but not for concave mirrorsb)for concave mirrors but not for convex mirrorsc)for both convex and concave mirrorsd)neither for convex mirrors nor for concave mirrorsCorrect answer is option 'C'. Can you explain this answer?
C). for both concex and concave mirror

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 Let's Tute Feb 19, 2022
The relation f = R/2 is applicable only for mirrors. For lenses, you have to use the lens makers formula.

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 Abhi Dec 06, 2019
Related f=R/2is valida)for convex mirrors but not for concave mirrorsb)for concave mirrors but not for convex mirrorsc)for both convex and concave mirrorsd)neither for convex mirrors nor for concave mirrorsCorrect answer is option 'C'. Can you explain this answer?
C is correct

 Mehak Jaju Dec 06, 2019
Mirrors have radius of curvature and lena have optical centre

 Oggy 4 days ago
C because radius is twice of focaal length

 Sangeeta Devi 2 weeks ago
Related f=R/2is valida)for convex mirrors but not for concave mirrorsb)for concave mirrors but not for convex mirrorsc)for both convex and concave mirrorsd)neither for convex mirrors nor for concave mirrorsCorrect answer is option 'C'. Can you explain this answer?

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