Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 155

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The curve of binding energy per nucleon as a function of atomic mass number has a sharp peak, of helium nucleus. This implies that helium

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Important Questions on Modern Physics

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 156

Boron rods are used in nuclear reactors, because

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 157

1 amu

is equivalent to

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 158

Which of the following processes will result into fission reaction?

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 159

The binding energies of the nuclei

A

and

B

are

E_{a}

and

E_{b}

respectively. Three atoms of the element

B

fuse to give one atom of element

A

and an energy

Q

is released. Then

E_{a}, E_{b}

and

Q

are related as

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 160

The binding energy per nucleon for deuteron

[{}_{1}^{2}H]

and helium

[{}_{2}^{4}{He}]

are

1.1 MeV

and

7 MeV

respectively. The energy released when two deuterons fuse to form a helium nucleus is

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 161

Order of magnitude of density of uranium nucleus is

(m_{p} = 1.67 \times 10^{- 27} kg)

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 162

The binding energy per nucleon is maximum in the case of

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Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 163

As compared to

{}^{12}C

-atom,

{}^{14}C

-atom has