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when a body is projected at an angle 45...

when a body is projected at an angle ` 45^@`, its range is maimum.
For maximum range, the value of ` sin 2 theta ` should be equal to one.

A

(a) Statement-1 is true , Statement-2 is true , Statvement -2 is correct explanation of Statement-1 .

B

(b) Statement-1 is true , statement -2 is true , statement -2 is not coerrecrt explanation of Statement-1.

C

(C ) Statement-1 is true , Statement-2 is false.

D

(d) Statement-1 is false , Statement-2 is true.

Text Solution

Verified by Experts

Horizontal range, ` R= u^2/g sin 2 theta` . It is maximum. When ` sin 2 theta = 1 sin 90^@` or ` theta 45^@`.
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