Chemistry-
General
Easy
Question
Choosethebestsequenceofreactionsfortransformationgiven.Semicolonsindicateseparatereactionstepstobeusedintheordershown.
- None of these would yield the
The correct answer is:
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Physics-General
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If the length ABC is half of the length ADC, the magnetic field at the centre O will be
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In the figure shown there are two semicircles of radii 
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An infinitely long straight conductor is bent into the shape as shown in the figure. It carries a current of i ampere and the radius of the circular loop is r metre. Then the magnetic induction at its centre will be
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A solid sphere of mass 2 kg is resting inside a cube as shown in the figure. The cube is moving with a velocity 
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A string of negligible mass going over a clamped pulley of mass m supports a block of mass M as shown in the figure. The force on the pulley by the clamp is given by
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Physics-General
