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An alpha particle (He4) has a mass of 4.00300 amu. A proton has a mass of 1.00783 amu and a neutron has a mass of 1.00867 amu respectively. The binding energy of alpha particle estimated from these data is closest to

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Important Questions on Nuclei

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12th Uttar Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Nuclei>Exercise>Q 11
The device used for measuring the mass of atoms and molecules is
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12th Uttar Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Nuclei>Exercise>Q 12
Binding energy of a nucleus is,
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12th Uttar Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Nuclei>Exercise>Q 13
Write energy equivalent (in MeV) of  1 amu.
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12th Uttar Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Nuclei>Exercise>Q 14
From what is easier to take out a nucleon, iron or lead?
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12th Uttar Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Nuclei>Exercise>Q 15
If the nucleons of a nucleus are well separated from each other total mass increases, From where this mass comes.
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12th Uttar Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Nuclei>Exercise>Q 16
Explain the meaning of nuclear mass defect.
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12th Uttar Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Nuclei>Exercise>Q 17
Assertion: A free neutron is not a stable particle.

Reason: It decays spontaneously into proton, electron and antinutrino.
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12th Uttar Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 13 - Nuclei>Exercise>Q 18
Assertion: The activity of a radioactive sample decreases linearly with time.

Reason: The number of active nuclei present in a radioactive sample decreases exponentially with time.