Physics · Ray Optics
A convex lens of refractive index 1.49 is immersed in a liquid. For the lens to act as a transparent plane sheet, what should be the refractive index of the liquid?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Less than 1.49
- 2Greater than 1.49
- 3Exactly 1.49✓
- 4Exactly 1.00
Correct answer
Exactly 1.49
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