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NEET · Physics · STD 12 - 9. Ray optics and optical instruments
An air bubble in a glass slab with refractive index \(1.5\) (near normal incidence) is \(5\,\, cm\) deep when viewed from one surface and \(3\,\, cm\) deep when viewed from the opposite face. The thickness (in \(cm\)) of the slab is
- A \(12\)
- B \(16\)
- C \(8\)
- D \(10\)
Answer & Solution
Correct Answer
(A) \(12\)
Step-by-step Solution
Detailed explanation
Here \(\mu =1.5\) \(l=\) length of the slab
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