e Each question has FOUR options ONE OR MORE THAN ONE of

Last updated: 6/27/2023

e Each question has FOUR options ONE OR MORE THAN ONE of these four option s is are correct answer s For each question choose the option s corresponding to all the correct answer s Answer to each question will be evaluated according to the following marking scheme Full Marks 4 If only all the correct option s is are chosen Zero Marks 0 If none of the options is chosen i e the question is unanswered In all other cases Negative Marks A particle is projected from a point O with a velocity u at an angle a upwards to the horizontal At a certain point P it moves at right angles to its initial direction It follows that OP makes an angle tan u 2g to the horizontal the distance of P from O is u 2g sin a the time of flight from O to P is u g sin a the velocity of the particle at P is u cot a