The value of the Universal Gravitational Constant (G) was first experimentally determined by:

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A Isaac Newton
B Albert Einstein
C Henry Cavendish
D Galileo Galilei

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Answer: C. Henry Cavendish

Answer: C) Henry Cavendish
Explanation: While Sir Isaac Newton formulated the Universal Law of Gravitation, he did not measure the value of G. It was measured for the first time by British scientist Henry Cavendish in 1798 using a sensitive torsion balance experiment.

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The value of the Universal Gravitational Constant (G) was first experimentally determined by:

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