Q
If the refractive indices of air, water and crown glass are n₁, n₂ and n₃ respectively, which relation is correct?
RRB ALP (Stage-I)
27/11/2024 / Shift-I
2024
✓ Answer:
D
n₁ < n₂ < n₃
Typical indices are approximately 1.00 for air, 1.33 for water and 1.5 for crown glass.