Atoms and Nuclei PYQs - Last 5 Years
MHT CET (Biology) / Physics / Modern Physics / 8 recent questions
PhysicsModern Physics2021-2025
Practice 8 MHT CET (Biology) 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
2024-2025
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2021-2025
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2016-2025
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8 in last 5 years8 in last 10 years
Last 5 Years Atoms and Nuclei Questions
Showing 8 of 8 filtered questions.
1Atoms And Nuclei
The series limit for the frequency of Balmer series is ' $\mathrm{v}_{\mathrm{B}}$ ', then the series limit frequency of Paschen series ' $v_p$ ' is
MCQ+1 / -02025
2Atoms And Nuclei
In the spectrum of hydrogen atom the ratio of the longest wavelength in the Balmer series to the longest wavelength in the Lyman series is
MCQ+1 / -02025
3Atoms And Nuclei
According to Bohr's first postulate the kinetic energy $\frac{1}{2} m v^2$ of the electron in C.G.S. system is ( $\mathrm{m}=$ mass of electron, v is its velocity, r is the radius of the stationary orbit around the nucleus with charge Ze )
MCQ+1 / -02025
4Atoms And Nuclei
In the Bohr model of hydrogen atom, out of the following quantities, the principal quantum number is proportional to ( $\mathrm{R}, \mathrm{V}$ and E represent radius of the orbit, speed of electron and total energy of the electron respecti...
MCQ+1 / -02025
5Atoms And Nuclei
The angular momentum of electron in hydrogen atom in first orbit is ' $L$ '. The change in angular momentum if electron is in second orbit of hydrogen atom is
MCQ+1 / -02024
6Atoms And Nuclei
If an electron in hydrogen atom jumps from $3^{\text {rd }}$ orbit to $2^{\text {nd }}$ orbit it emits a photon of wavelength ' $\lambda$ '. When it emits a photon from $4^{\text {th }}$ orbit to $3^{\text {rd }}$ orbit then the correspondi...
MCQ+1 / -02024
7Atoms And Nuclei
Radioactive materials A and B have decay constants ' $9 \lambda$ ' and ' $\lambda$ ' respectively. Initially they have same number of nuclei. The ratio of number of nuclei of material ' $A$ ' to that of ' $B$ ' will be $\left(\frac{1}{\math...
MCQ+1 / -02024
8Atoms And Nuclei
If $R_1$ and $R_2$ are the radii of the atomic nuclei of mass numbers 27 and 125 respectively, then the ratio $R_2: R_1$ is
MCQ+1 / -02024