Physics · Light - Reflection and Refraction
The power of a concave lens of focal length 25 cm is ______.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1−4.0 D✓
- 2−0.04 D
- 34.0 D
- 40.04 D
Correct answer
−4.0 D
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