Who discovered the law of buoyant force acting on a submerged object? MCQ with Answer and Explanation

Who discovered the law of buoyant force acting on a submerged object?

A. Blaise Pascal

B. Daniel Bernoulli

C. Isaac Newton

D. Archimedes

Answer: Option D

Archimedes of Syracuse formulated the principle of buoyancy, known as Archimedes' Principle.

This question belongs to: Static General Knowledge Inventions and Discoveries

No comments yet. Be the first to start the discussion!

Question #1 Report Error

The invention of the common household safety matchbox strike face mixture containing red phosphorus was patented by whom?

A. John Walker

B. Robert Boyle

C. Pasch Brothers and John Lundström

D. Humphry Davy

Correct Answer: Option C

Explanation:
The Swedish inventors split match chemical triggers, rendering matches safe from accidental friction ignition in pocket storage.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2 Report Error

Who invented the electrocardiogram (ECG/EKG) device, winning a Nobel Prize in 1924?

A. Willem Einthoven

B. Robert Koch

C. Hans Berger

D. Alexander Fleming

Correct Answer: Option A

Explanation:
Willem Einthoven invented the first practical electrocardiogram in 1903 and received the Nobel Prize for it.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3 Report Error

The barometers, used to measure atmospheric pressure, was invented by whom?

A. Otto von Guericke

B. Robert Boyle

C. Evangelista Torricelli

D. Blaise Pascal

Correct Answer: Option C

Explanation:
Evangelista Torricelli, an Italian physicist, invented the mercury barometer in 1643.

This question belongs to: Static General Knowledge Inventions and Discoveries