Physics · Gravitation
Which landmark scientific achievement was reported by Henry Cavendish in 1798 using a torsion balance apparatus?
- 1The initial experimental evidence of radioactivity
- 2The measurement of the Earth's density and the gravitational constant✓
- 3The basic postulates of the quantum theory of energy
- 4The formula for mass-energy equivalence
Correct answer
The measurement of the Earth's density and the gravitational constant
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