Physics · Optics
A convex lens is immersed in a liquid whose refractive index is exactly equal to the refractive index of the material of the lens. The focal length of the lens will:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Become small but non-zero
- 2Become infinite✓
- 3Remain unchanged
- 4Become zero
Correct answer
Become infinite
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