Atoms and Nuclei PYQs - Last 10 Years
AIIMS / Physics / Modern Physics / 11 recent questions
PhysicsModern Physics2010-2019
Practice 11 AIIMS Physics questions from Atoms and Nuclei. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
11
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Physics / Modern Physics
2017-2019
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11
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2015-2019
11
Last 10 Years
2010-2019
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Last 10 Years Atoms and Nuclei Questions
Showing 11 of 11 filtered questions.
1Atoms And Nuclei
Assertion : For an element generally \(N \geq Z\) ( \(N=\) number of neutrons, \(Z=\) atomic number)
Reason : Neutrons always experience attractive nuclear force.
Reason : Neutrons always experience attractive nuclear force.
MCQ+1 / -0.332019
2Atoms And Nuclei
Assertion : Heavy water is used to slow
neutron in nuclear reactor.
Reason : It does not react with slow neutron
and mass of deuterium is comparable to the
neutron.
neutron in nuclear reactor.
Reason : It does not react with slow neutron
and mass of deuterium is comparable to the
neutron.
MCQ+1 / -0.332019
3Atoms And Nuclei
If half life of an element is \(69.3 \mathrm{~h}\), then how much of its percent will decay in 10th to 11th \(\mathrm{h}\). Initial activity \(=50 ~\mu \mathrm{~Ci}\)
MCQ+1 / -0.332019
4Atoms And Nuclei
15 eV is given to electron in 4th orbit then
find its final energy when it comes out of
H-atom.
find its final energy when it comes out of
H-atom.
MCQ+1 / -0.332019
5Atoms And Nuclei
Assertion Radioactive nuclei emits \(\beta^{-}\)-particles.
Reason Electrons exist inside the nucleus.
Reason Electrons exist inside the nucleus.
MCQ+1 / -0.332018
6Atoms And Nuclei
Assertion If electrons in an atom were
stationary, then they would fall into the
nucleus.
Reason Electrostatic force of attraction acts
between negatively charged electrons and
positive nucleus.
stationary, then they would fall into the
nucleus.
Reason Electrostatic force of attraction acts
between negatively charged electrons and
positive nucleus.
MCQ+1 / -0.332018
7Atoms And Nuclei
The half-life of a radioactive substance is \(20 \mathrm{~min}\). The approximate time interval \(\left(t_2-t_1\right)\) between the time \(t_2\), when \(\frac{2}{3}\) of it has decayed and time \(t_1\) when \(\frac{1}{3}\) of it had decaye...
MCQ+1 / -0.332018
8Atoms And Nuclei
Assertion : In \(\alpha\)-decay atomic number of daughter nucleus reduces by 2 units from the parent nucleus.
Reason : An \(\alpha\)-particle carries four units of mass.
Reason : An \(\alpha\)-particle carries four units of mass.
MCQ+1 / -0.332017
9Atoms And Nuclei
Assertion : In He-Ne laser, population inversion takes place between energy levels of neon atoms.
Reason : Helium atoms have a metastable energy level.
Reason : Helium atoms have a metastable energy level.
MCQ+1 / -0.332017
10Atoms And Nuclei
Assertion : A beam of charged particles is employed in the treatment of cancer.
Reason : Charged particles on passing through a material medium lose their energy by causing ionization of the atoms along their path.
Reason : Charged particles on passing through a material medium lose their energy by causing ionization of the atoms along their path.
MCQ+1 / -0.332017
11Atoms And Nuclei
A nuclear explosive is designed to deliver \(1 \mathrm{~MW}\) power in the form of heat energy. If the explosion is designed with nuclear fuel consisting of \(U^{235}\) to run a reactor at this power level for one year, then the amount of f...
MCQ+1 / -0.332017