The power of a convex lens of focal length 50 cm is
A. −2 D
B. +0.5 D
C. +50 D
D. +2 D
1 answer
Best answer
Answer: D. +2 D
\(P = \frac{1}{f} = \frac{1}{0.5 \text{ m}} = +2\) D.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
Report
Was this answer helpful?
Thanks for the feedback.
Sign up free to save answers and ask your own doubts
Your answer
Log in or create a free account to answer this question.