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Standard XII

Physics

Binding Energy

A proton and ...

Question

A proton and a neutron are both shot at $100 m s^{- 1}$ toward a $_{6}^{12} C$ nucleus. Which particle, if either, is more likely to be absorbed by the nucleus?

The proton.

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The neutron.

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Both particles are about equally likely to be absorbed.

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Neither particle will be absorbed.

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Solution

The correct option is B The neutron.
$_{6}^{12} C$ captures a neutron to form relatively stable element $_{6}^{13} C$ .
$_{6}^{12} C$ $+_{0}^{1} n \to$ $_{6}^{13} C$
This is more stable than the otherwise formed element $_{7}^{12} N$

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Similar questions

Q. A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
(a) a cation
(b) an anion
(c) a molecule
(d) a compound

Q. A nitrogen nucleus

_{7}^{14} N

absorbs a neutron and can transform into lithium nucleus

_{3}^{7} L i

under suitable conditions, after emitting:
(i)

4

protons and

3

neutrons
(ii)

5

protons and

1

beta particle
(iii)

2

alpha particles and

2

gamma photons
(iv)

1

alpha particle,

4

protons and

2

beta particles
(v)

4

protons and

4

neutrons.

Q. The masses of neutron and proton are

1.0087

amu. and

1.0073

amu. respectively. If the neutrons and protons combine to form a helium nucleus (alpha particles) of mass

4.0015

amu. the binding energy for the helium nucleus will be (

1

a.m.u =

931

MeV)

Q. The masses of neutron and proton are

1.0087 a . m . u .

and

1.0073 a . m . u .

respectively. If the neutrons and protons combine to form a helium nucleus (alpha particles) of mass

4.0015 a . m . u

, then the binding energy fo the helium nucleus will be: (

1 a . m . u . = 931 M e V

)

The masses of neutron and proton are 1.0087 amu and 1.0073 amu respectively. If the neutrons and protons combine to form a helium nucleus (alpha particles) of mass 4.0015 amu. The binding energy of the helium nucleus will be [1 amu= 931 MeV]

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A proton and a neutron are both shot at 100ms−1 toward a 126C nucleus. Which particle, if either, is more likely to be absorbed by the nucleus?

The correct option is B The neutron.126C captures a neutron to form relatively stable element 136C.126C +10n→ 136CThis is more stable than the otherwise formed element 127N

A proton and a neutron are both shot at $100 m s^{- 1}$ toward a $_{6}^{12} C$ nucleus. Which particle, if either, is more likely to be absorbed by the nucleus?

The correct option is B The neutron.
$_{6}^{12} C$ captures a neutron to form relatively stable element $_{6}^{13} C$ .
$_{6}^{12} C$ $+_{0}^{1} n \to$ $_{6}^{13} C$
This is more stable than the otherwise formed element $_{7}^{12} N$