# For a given velocity, a projectile has the same range 𝑅 for two angles of projection if 𝑡1 and 𝑡2 are the times of flight in the two cases then

Question : For a given velocity, a projectile has the same range 𝑅 for two angles of projection if 𝑡1 and 𝑡2 are the times of flight in the two cases then

(A) $t_{1}t_{2}\propto R^{2}$

(B) $t_{1}t_{2}\propto R$

(C) $t_{1}t_{2}\propto \dfrac{1}{R}$

(D) (C) $t_{1}t_{2}\propto \dfrac{1}{R}^{2}$