An air bubble in a glass sphere (μ = 1.5) is situated at a distance 3 cm from a convex…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
An air bubble in a glass sphere (μ = 1.5) is situated at a distance 3 cm from a convex surface of diameter 10 cm. At what distance from the surface will the bubble appear?
- 2.5 cm
- –2.5 cm
- 5 cm
- –5 cm
Answer
(B) –2.5 cm
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