Question

The steam engine was invented by

• A. James Watt
• B. Joule
• C. Newcomen
• D. Newton

Answer 1

The correct option is A

James Watt

Explanation for the correct option:

A: James Watt

1. James Watt was a Scottish.
2. He was born in 1736.
3. He invented the steam engine.
4. He was also elected fellow of the Royal Society of London in 1785.

Explanation for the incorrect options:

B: Joule

He found the mechanical theory of heat and Joule's law.

C: Newcomen

He invented the atmospheric steam engine.

D: Newton

He discovered the laws of gravity and motion.

Hence, option (A) is the correct answer.