Concave lens has negative focal length, hence negative power (P = 1/f).
The power of a concave lens is
NEET UG 2022 — Physics Optics
2022mcqeasy
The power of a concave lens is
Official previous-year question
Verified 30 May 2026.
Options
- A
Positive
- B
Negative
- C
Zero
- D
Infinity
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