Physics · Ray Optics
When a biconvex glass lens of refractive index 1.5 is immersed in a liquid, it becomes invisible and acts like a plane glass sheet. This implies that the refractive index of the liquid is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Equal to 1.0
- 2Equal to 1.5✓
- 3Less than 1.5
- 4Greater than 1.5
Correct answer
Equal to 1.5
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