Question

The value of gravitational constant was first determined by _____

(a) Albert Einstein

(b) Isaac Newton

(c) Henry Cavendish

(d) Stephen Hawking

I have been asked this question by my school teacher while I was bunking the class.

This interesting question is from The Gravitational Constant in section Gravitation of Physics – Class 11

Answer 1

Correct answer is (c) Henry Cavendish

To explain: The value of gravitational constant was first experimentally determined by Henry Cavendish in the year 1798. It is also known as the Cavendish Gravitational Constant.