GATE Exam Questions

Q1: A light house of 120 m height is just visible above the horizon from a ship. The correct distance (m) between the ship and the light house considering combined correction for curvature and refraction, is

A 39.098

B 42.226

C 39098

D 42226

ANS:D - 42226

Combine correction, height = 0.0673d^2.

Square root (120/0.0673) = d.

d = 42.226 km or 42226 m.



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