Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-2>Q 22

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Earn 100

Assertion: The density of all the nuclei is the same.

Reason: The radius of the nucleus is directly proportional to the cube root of mass number.

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Important Questions on Nuclear Physics

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Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-2>Q 23

Assertion: Isobars are the element having same mass number but different atomic number.

Reason: Neutrons and protons are present inside the nucleus.

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Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-3>Q 2

The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter is an:

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Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-3>Q 4

The mass of a ${}_{3}^{7}{Li}$ nucleus is $0.042 u$ less than the sum of the masses of all its nucleons. The binding energy per nucleon of ${}_{3}^{7}{Li}$ nucleus is nearly,

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Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-3>Q 7

The binding energy per nucleon in deuterium and helium nuclei are

1.1 MeV

and

7.0 MeV

respectively. When two deuterium nuclei fuse to form a helium nucleus the energy released in the fusion is ?

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Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-3>Q 10

The power obtained in a reactor using

U^{235}

disintegration is

1000 kW

. The mass decay of

U^{235}

per hour is ?

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Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-3>Q 12

Fusion reaction takes place at high temperature because

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Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-3>Q 13

If the nuclear radius of

{}^{27}{Al}

is $3.6$ $\mathrm{fermi}$, the approximate nuclear radius of

{}^{64}{Cu}

in $\mathrm{fermi}$ is,

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Alpha Question Bank for Medical: Physics>Chapter 34 - Nuclear Physics>Exercise-3>Q 16

A certain mass of Hydrogen is changed to Helium by the process of fusion. The mass defect in fusion reaction is

0.02866 u

The energy liberated per u is given $1 u = 931 MeV$ .