Mark7319 Mark7319
  • 23-01-2024
  • Physics
contestada

The radius of curvature of the curved surface of a plano-convex lens is 20 cm. If the refractive index of the material of the lens be 1.5, it will
A. 10 cm
B. 20 cm
C. 30 cm
D. 40 cm

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