A point object O is placed in front of a glass rod having a spherical end of the radius of curvature 30 cm . The image would be formed at

Question

A point object O is placed in front of a glass rod having a spherical end of the radius of curvature 30 cm . The image would be formed at, 30 cm left from the pole, Infinity, 1 cm to the right from the pole, 18 cm to the left from the object

MARKS App · Accepted Answer

By using lens maker's formula, μ ₂ v - μ ₁ u = μ ₂ - μ ₁ R ⟹ 1.5 v - 1 - 15 = 1.5 - 1 + 30 ⟹ v = - 30 cm

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