Collision


@KuldeepJaidev B is clearly impossible
If alpha is 0, then beta will also be 0 and if beta is 0, then alpha will be either 0 or π..so C and D not possible....so A.
@KuldeepJaidev B is clearly impossible
If alpha is 0, then beta will also be 0 and if beta is 0, then alpha will be either 0 or π..so C and D not possible....so A.