Atoms and Nuclei PYQs - Last 5 Years
BITSAT / Physics / Modern Physics / 9 recent questions
PhysicsModern Physics2021-2025
Practice 9 BITSAT 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.
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Physics / Modern Physics
2021-2025
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2021-2025
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Last 5 Years Atoms and Nuclei Questions
Showing 9 of 9 filtered questions.
1Atoms And Nuclei
The mass of proton is 1.0073 u and that of neutron is $1.0087 \mathrm{u}(\mathrm{u}=$ atomic mass unit). The binding energy of ${ }_2 \mathrm{He}^4$ is
MCQ+3 / -12025
2Atoms And Nuclei
Consider a hydrogen atom with its electron in the $n$th orbit. An electromagnetic radiation of wavelength 90 nm is used to ionize the atom. If the kinetic energy of the ejected electron is 10.4 eV , then the value of $n$ is ( $h c=1242 \mat...
MCQ+3 / -12025
3Atoms And Nuclei
Which of the following transitions of $ \mathrm{He}^{+} $ion will give rise to spectral line which has same wavelength as the spectral line in hydrogen atom?
MCQ+3 / -12024
4Atoms And Nuclei
After two hours one-eight of the starting amount of a certain radioactive isotope remained undecayed. The half-life of the isotope is
MCQ+3 / -12023
5Atoms And Nuclei
The total energy of an electron in the second excited state of hydrogen atom is about \(-1.51 \mathrm{~eV}\). Its kinetic energy in this state is
MCQ+3 / -12023
6Atoms And Nuclei
In a radioactive material the activity at time t1, is A1 and at a later time t2, it is A2. If the decay constant of the material is \(\lambda\), then
MCQ+3 / -12022
7Atoms And Nuclei
A radioactive sample at any instant has its disintegration rate 5000 disintegrations per min. After 5 min, the rate is 1250 disintegrations per min. Then, the disintegration constant (per min) is
MCQ+3 / -12021
8Atoms And Nuclei
The radius of a muonic hydrogen atom is 2.5 \(\times\) 10\(-\)13 m. The total atomic volume (in m3) of a mole of such hydrogen atoms is (Take, \(\pi\) = 3.14)
MCQ+3 / -12021
9Atoms And Nuclei
A proton has kinetic energy E = 100 eV which is equal to that of a photon. The wavelength of photon is \(\lambda\)2 and that of proton is \(\lambda\)1. The ratio \({{{\lambda _2}} \over {{\lambda _1}}}\) is proportional to
MCQ+3 / -12021