Physics · Light - Reflection and Refraction
A student focused the image of a candle flame on a screen using a convex lens. He noted down the positions of the candle, lens, and screen on a scale as follows: Position of candle = 10.0 cm Position of lens = 50.0 cm Position of screen = 90.0 cm The power of the lens is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120.0 D
- 210.0 D
- 35.0 D✓
- 42.5 D
Correct answer
5.0 D
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