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Physics
Multiple Choice Question with Only One Choice Correct Out of the four choices, choose the correct choice, if the gun points in a direction opposite to the direction of motion of the tank. (a) the sound arrives at the target later than the bullet (b) the sound arrives at the target earlier than the bullet (c) both sound and bullet arrive at the target at the same time (d) the bullet will never arrive at the target
Chemistry
True or False : Resonance and tautomerism refer to one and the same phenomenon.
Mathematics
(a) Find the equation of the plane passing through the points (2, 1, 0), (5, 0, 1) and (4, 1, 1). (b) If P is the point (2, 1, 6) then find the point Q such that PQ is perpendicular to the plane in (a) and the mid-point of PQ lies on it.