Question : A stone thrown at an angle θ to the horizontal a projectile makes an angle 𝜋/4 with the horizontal, then its initial velocity and angle of projection are, respectively
(A) \dfrac{\sqrt{2h\sin \theta }}{g}
(B) \dfrac{2\sqrt{2h\sin \theta }}{g}
(C) 2\sqrt{\dfrac{2h}{g}}
(D) \sqrt{\dfrac{2h}{g}}
Answer : option (C)
Solution :
