JEE Main 12 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 16 of 90

Marks: +1, -0

A person standing on an open ground hears thesound of a jet aeroplane, coming from north atan angle 60° with ground level. But he findsthe aeroplane right vertically above his position.If υ is the speed of sound, speed of the planeis :

[12 Jan 2019 Shift 1]

2υ
√3
υ
υ
2
√3
2
υ

Validate

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