A Navy captain going away from a lighthouse at the speed of 4[(√3) – 1] m/s. He observes that it takes him 1 minute to change the angle of elevation of the top of the lighthouse from 60 to 45 deg. What is the height (in metres) of the lighthouse?

A) 240√3
B) 480[(√3) – 1] C) 360√3
D) 280√2

View Answer
Option – A.

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