Practice question
Question
An object is at a depth of 19.95 cm in a medium with refractive index 1.5 . What is the apparent depth?
Explanation
Given:
An object is at a depth of 19.95 cm in a medium with refractive index 1.5 . What is the apparent depth?
Formula:
Apparent depth = fracreal depthn.
Substitution & Calculation:
Real depth = 19.95 cm, n = 1.5 . Apparent depth = 19.95/1.5 = 13.3 cm .
Final Result:
The computed value matches expected outcome and confirms correct choice as per latest NCERT 2026-27.
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