alleryStart learning →As per your syllabus, what is the refractive index of WATER?
- 1.52
- 2.42
- 1.33
- 1.00
Show answer and solution
Correct answer: C. 1.33
As per your syllabus, water n = 1.33. Crown glass n = 1.52; diamond n = 2.42; air ≈ 1.0003.
Indian Navy Pilot C10refractionlenses — practice questions
Explore 2 free C10refractionlenses questions in Indian Navy Pilot Physics. Open each question or exercise to read its content, reference answers and available explanation.
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Worked practice questions
As per your syllabus, what is the OPTICAL CENTRE of a lens?
- The focal point
- The radius of curvature
- A point on the lens edge
- A point on the principal axis through which a ray passes WITHOUT deviation
Show answer and solution
Correct answer: D. A point on the principal axis through which a ray passes WITHOUT deviation
As per your syllabus, optical centre = point of no deviation.
Rays through it pass undeviated.
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