1.

Three projecties A , B and C are projected at an angle of 30^(@) , 60^(@) respectively , If R_(A), R_(B) and R_(C)are ranges of A, B and C respectively then (velocity of projection is same for A, B and C

Answer»

`R_(A)=R_(B)=R_(C)`
`R_(A)=R_(C)gtR_(B)`
`R_(A)ltR_(B)ltR_(C)`
`R_(A)=R_(C)ltR_(B)`

Solution :Range is maximum for `45^(@)` `THEREFORE B` has maximum range
Range is same for both `30^(@)AND60^(@)` as they are complementary angles.
`therefore R_(A)=R_(C )ltR_(B)`


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