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Universe — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsUniverse1 Mark
MCQ
Mass of earth has been determined through
  • A
    Use of Kepler's $T^2 / R$ constancy law
  • B
    Sampling the density of earth's crust and using $R$
  • ✓
    Cavendish's determination of $G$ and using $R$ and $'g\ '$ at the surface
  • D
    Use of periods of satellites at different heights above earth's surface
✓

Answer

Correct option: C.
Cavendish's determination of $G$ and using $R$ and $'g\ '$ at the surface
Cavendish's determination of $G$ and using $R$ and $'g\ '$ at the surface

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