__If the angle of projection is double the angle of inclination (≈í¬±) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be__

__If the angle of projection is double the angle of inclination (≈í

1.	__If the angle of projection is double the angle of inclination (≈í¬±) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be__
A.	¬¨Œ© cos ≈í¬±
B.	¬¨Œ© sin ≈í¬±
C.	¬¨Œ© tan ≈í¬±
D.	2 cos ≈í¬±
Answer» B. ¬¨Œ© sin ≈í¬±

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__If the angle of projection is double the angle of inclination (≈í¬±) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be__

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If the angle of projection is double the angle of inclination (≈í¬±) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be