Mass of earth has been determined through - Vidyadip

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

c
(c)

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