The value of universal gravitational constant ′G′ was first experimentally determined by :
A
Galileo
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B
Newton
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C
Cavendish
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D
Kelvin
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Solution
The correct option is C Cavendish Cavendish experiment . The Cavendish experiment , performed in 1797–1798 by British scientist Henry Cavendish, was the first experiment to measure the force of gravity between masses in the laboratory and the first to yield accurate value for the gravitational constant