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Earn 100

The radius of an atomic nucleus varies with the mass number as approximately , where is in meters. From this, one can conclude that the density of the atomic nuclei is
(a)inversely proportional to the cube of the mass number
(b)proportional to the cube of the mass number
(c)proportional to the cube root of the mass number
(d)independent of the mass number

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Important Questions on Atomic Nucleus
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The energy equivalent to a substance of mass is

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(i) The constancy of the binding energy per nucleon in the range is a consequence of the fact that the nuclear force is short ranged.
(ii) The nuclear force does not depend on the charge of nucleons.
(iii) The nuclear force is repulsive when distance between two nucleons is less than

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Match the following entries related to fundamental forces and their manifestations
(a) | Nuclear force | (i) | Electromagnetic interaction |
(b) | Force between sodium and chlorine ions in sodium chloride | (ii) | Gravitational interaction |
(c) | Energy from the sun | (iii) | Strong interaction |
(d) | Oscillations of a simple pendulum | (iv) | Weak interaction |
The correct answer is

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Consider the nuclei of and . Which of the following statements is correct?

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(velocity of light, is )

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