Tag: atomic nuclei
Questions Related to atomic nuclei
In Bohr's atom the number of de Broglie's waves associated with an electron moving in $n^{th}$ permitted orbit is:-
Wavelength of first line in Lyman series is $\lambda $. The wavelength of first line in Balmer series is:
Maximum energy is evolved during which of the following transitions?
Which of the following option is NOT a correct pairing of physicist and field in which he made significant contributions?
One of Bohr's assumptions about stable electron orbits in a hydrogen atom treated electrons as particles with circular orbits. Louis de Broglie made a different assumption about the electron and its stable orbits which turned out to be mathematically equivalent to Bohr' assumption.
What assumption did the Broglie make?
Why are matter waves significant only in the motion of extremely small particles?
The ratio of de-Broglie wavelength of molecules of hydrogen and helium in two gas jars kept separately at temperature $27^{o}C$ and $127^{o}C$ respectively is
Imagine an atom made of a proton and a hypothetical partical of double the mass as that of an electron but the same charge. Apply Bohr theory to consider transitions of the hypothetical particle to the ground state. Then, the longest wavelength (in terms of Rydberge constant for hydrogen atom) is
Suppose that the potential energy of an hypothetical atom consisting of a proton and an electron is given by $U = -ke^2/3r^3$. Then if Bohr's postulates are applied to this atom, then the radius of the $nt$ orbit will be proportional to:-
de - Broglie wavelength of an electron in the nth bohr orbit is $\lambda _n$ and the angular momentum is $J _n$ then: