Q8. In hydrogen like system the ratio of coul0mbian force and gravitational force between an electron and a proton is in the order of : (1) 1039 (2) 1029 (3) 1019 (4) 1036
What This Question Tests
This question tests the ability to compare the magnitudes of electrostatic and gravitational forces between an electron and a proton by calculating their ratio using fundamental constants and charges/masses.
Concepts Tested
Formulas Used
F_e = k|q1q2|/r^2
F_g = Gm1m2/r^2
๐ NCERT Sections This Tests
12.7 โ The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 ยท Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3ร10โ11 m. What are the radii of the n = 2 and n =3 orbits?
2.1 โ Two Charges 5 ร 10โ8 C And โ3 ร 10โ8 C Are Located 16 Cm Apart. At
Physics Class 11 ยท Chapter 2
2.1 Two charges 5 ร 10โ8 C and โ3 ร 10โ8 C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.
12.4 โ The Ground State Energy Of Hydrogen Atom Is โ13.6 Ev. What Are The
Physics Class 12 ยท Chapter 12
12.4 The ground state energy of hydrogen atom is โ13.6 eV. What are the kinetic and potential energies of the electron in this state?
๐ Question Details
- Chapter
- Electrostatics
- Topic
- Coulomb's force and Gravitational force
- Year
- 2024
- Shift
- 05 Apr Shift 1
- Q Number
- Q8
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 1: Electric Charges and Fields
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