A projectile can have the same range R for two angles of projection. If T₁ and T₂ be the time of flights in the two cases, then the product of the two time of flights is directly proportional to

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Solution

The correct option is B
R

As we know for complementary angles $t_{1} t_{2} = \frac{2 R}{g}$

$∴ t_{1} t_{2} α R .$

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As we know for complementary angles $t_{1} t_{2} = \frac{2 R}{g}$

$∴ t_{1} t_{2} α R .$