Chemistry-
General
Easy
Question
Compounds (A) and (B) are -
The correct answer is:
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physics-General
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When an object is allowed to slide down a hill it stops at the point B because of friction. If friction force depends only on the normal component of the reaction force with coefficient of friction variable along the path, the work done in taking the object slowly from B to A along the hill will be
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With what minimum speed v must a small ball should be pushed inside a smooth vertical tube from a height h so that it may reach the top of the tube? Radius of the tube is R.
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A block of mass 1 kg slides down a curved track that is one quadrant of a circle of radius 1m. Its speed at the bottom is 2 m/s. The work done by the frictional force is
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If the system in the figure is released from rest in the configuration shown, find the velocity of the block Q after it has fallen through a distance 10 meters, given mass of
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A bob is suspended from a crane by a cable of length The crane and load are moving at a constant speed The crane is stopped by a bumper and the bob on the cable swings out an angle of The initial speed is
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A particle is given an initial speed u inside a smooth spherical shell of radius m that it is just able to complete the circle. Acceleration of the particle when its velocity becomes vertical is
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A particle is moved from to under a force from two paths. Path 1 is OP and 2 is OQP. Let and be the work done by this force in these two paths. Then
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The standard emf of a galvanic cell involving cell reaction with n=2 is found to be 0.295 V at 25°C. The equilibrium constant of the reaction would be - given F=96500e
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chemistry-General
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Which of the following reaction occurs in a Daniel cell
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A rocket is fired and ascends with constant vertical acceleration of 10m/s2 for 1 minute Its fuel is exhausted and it continues as a free particle The maximum altitude reached is ( )
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If and , then is
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physics-General