Q22.Energy required to move a body of mass m from an orbit of radius 2R to 3R is (1) GMm/12R2 (2) GMm/3R2 (3) GMm/8R (4) GMm/6R
What This Question Tests
This question requires calculating the change in the total mechanical energy of a satellite as it moves between two different circular orbits, using the formula for total orbital energy.
Concepts Tested
Formulas Used
E = -GMm/2r
📚 NCERT Sections This Tests
12.7 — The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 · Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3×10–11 m. What are the radii of the n = 2 and n =3 orbits?
12.4 — The Ground State Energy Of Hydrogen Atom Is –13.6 Ev. What Are The
Physics Class 12 · Chapter 12
12.4 The ground state energy of hydrogen atom is –13.6 eV. What are the kinetic and potential energies of the electron in this state?
13.2 — Obtain The Binding Energy Of The Nuclei 5626Fe And 20983 Bi In Units Of
Physics Class 12 · Chapter 13
13.2 Obtain the binding energy of the nuclei 5626Fe and 20983 Bi in units of MeV from the following data: m ( 5626Fe ) = 55.934939 u m ( 20983 Bi ) = 208.980388 u
📋 Question Details
- Chapter
- Gravitation
- Topic
- Orbital energy
- Year
- 2002
- Shift
- Unknown
- Q Number
- Q22
- Type
- MCQ
- NCERT Ref
- Class 11 Physics Ch 8: Gravitation
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