MHT CET 2025 Physics question
A glass cube of length 21 cm has a small air bubble trapped inside. When viewed normally from the opposite face, its apparent distance is 6 cm. The refractive index of glass and the actual distance of the air bubble from the first surface respectively are
Answer: (A)
Solution
Let x be the actual distance of the bubble from the first surface. Viewed from the opposite face, the real depth below the viewing surface is and the apparent depth is cm. Test the options: (A) :
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