Question

The range of a projectile for a given initial velocity is maximum when the angle of projection is ${45}^{\circ }$. The range will be minimum, if the angle of projection is

• A. ${90}^{\circ }$
• B. ${180}^{\circ }$
• C. ${60}^{\circ }$
• D. ${75}^{\circ }$

Answer 1

The correct option is A ${90}^{\circ }$

$Range=\frac{u^{2}sin2\theta }{g};when\theta ={90}^{\circ },R=0$ i.e. the body will fall at the point of projection after completing one dimensional motion under gravity.