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Questions  

A gun fires two bullets at 60o at 30o with horizontal. The bullets strike at some horizontal distance. The ratio of maximum height for the two bullets is in the ratio

a
2 : 1
b
3 : 1
c
4 : 1
d
1 : 1

detailed solution

Correct option is B

The bullets are fired at the same initial speedhh′=u2sin2⁡60∘2g×2gu2sin2⁡30∘=sin2⁡60∘sin2⁡30∘=(3/2)2(1/2)2=31

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Reason : Range of projectile does not depend on the initial velocity of a body.


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