(A) : When range of a projectile is maximum, its angle of projection may be 45^(@) or 135^(@). ( R) : Whether theta is 45^(@) or 135^(@) value of range remains the same, only the sign changes.

(A) : When range of a projectile is maximum, its angle of projection m

1.	(A) : When range of a projectile is maximum, its angle of projection may be 45^(@) or 135^(@). ( R) : Whether theta is 45^(@) or 135^(@) value of range remains the same, only the sign changes.
Answer» Both (A) and ( R) are TURE and ( R) is the correct EXPLANATION of (A) Both (A) and ( R) are TRUE and ( R) is not the correct explanation of (A) (A) is true but ( R) is false Both (A) and ( R) are false Answer :A