3. Two conducting rings P and Q of radii r and 2r moving uniformly in opposite directions with
centre of mass velocities 2v and v respectively on a conducting surface S. There is a uniform field of magnitude B perpendicular to the plane of the rings.
The potential difference between the highest points of the two rings is
In an electromagnetic wave, the magnetic field is given by |
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A cubical vessel of height 1 m is full of water. What is the amount of work done in |
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The resistance across A and B in the figure below will be |
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Using the Gibbs energy changes, AG° = + 63.3 kJ for the following reaction, |
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Successive emission of an a-particle and two B-particles by an atom of a radioactive element results in the formation of its: |
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Which one of the following compounds has the most acidic nature? |
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Which one of the following bases is not present in DNA ? |
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Bithional is generally added to the soaps as an additive to function as a/an |
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Natural rubber has |
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The pyknometric density of sodium chloride crystal is 2.165x10^3 kg$m^{-3}$ while its X-ray density is 2.178x$10^3 kgm^{-3}$ ?. The fraction of unoccupied sites in sodium chloride crystal is |
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