JEE-MAIN SERIES Physics
Structure Of Atom
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
3
2023 Chapter Questions 3 MCQs
01
PYQ 2023
medium
physics ID: jee-main
Radius of the first orbit in H-atom is . Then, de Broglie wavelength of electron in the third orbit is.
1
3 a0
2
6 a0
3
9 a0
4
12 a0
02
PYQ 2023
medium
physics ID: jee-main
Kinetic energy of electron, proton and a particle is given as K, 2K and 4K respectively, then which of the following gives the correct order of De-Broglie wavelengths of electron, proton and a particle
1
λp > λα > λe
2
λα > λp > λe
3
λe > λp > λα
4
λe > λα > λp
03
PYQ 2023
medium
physics ID: jee-main
The energy of ion in its first excited state is, (The ground state energy for the Hydrogen atom is – 13.6 eV) :
1
-13.6 eV
2
-3.4 eV
3
-54.4 eV
4
-27.2 eV