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Who developed the laws of motion and gravity?

  • (A) Albert Einstein
  • (B) Galileo Galilei
  • (C) Isaac Newton
  • (D) Johannes Kepler

Answer: Isaac Newton

Isaac Newton developed the laws of motion and the law of universal gravitation, fundamental to classical physics.

Who discovered that light behaves as both a wave and a particle?

  • (A) Max Planck
  • (B) Albert Einstein
  • (C) Louis de Broglie
  • (D) Niels Bohr

Answer: Louis de Broglie

Louis de Broglie proposed that light exhibits both wave-like and particle-like properties, leading to wave-particle duality.

Who invented the first computer mouse?

  • (A) Alan Turing
  • (B) Charles Babbage
  • (C) Douglas Engelbart
  • (D) Bill Gates

Answer: Douglas Engelbart

Douglas Engelbart invented the first computer mouse in the 1960s, which revolutionized human-computer interaction.

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Who first observed the moons of Jupiter?

  • (A) Galileo Galilei
  • (B) Johannes Kepler
  • (C) Isaac Newton
  • (D) Albert Einstein

Answer: Galileo Galilei

Galileo Galilei was the first to observe Jupiters four largest moons using a telescope in 1610.

Who is known for developing the theory of relativity?

  • (A) Albert Einstein
  • (B) Niels Bohr
  • (C) Isaac Newton
  • (D) Galileo Galilei

Answer: Albert Einstein

Albert Einstein developed the theory of relativity, which revolutionized the understanding of time, space and gravity.

Who invented the first successful vaccine for tuberculosis?

  • (A) Albert Calmette
  • (B) Louis Pasteur
  • (C) Edward Jenner
  • (D) Robert Koch

Answer: Albert Calmette

Albert Calmette, along with Camille Gu?rin, developed the BCG vaccine for tuberculosis in 1921.

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Who developed the first law of thermodynamics?

  • (A) Albert Einstein
  • (B) Rudolf Clausius
  • (C) James Clerk Maxwell
  • (D) Ludwig Boltzmann

Answer: Rudolf Clausius

Rudolf Clausius is credited with formulating the first law of thermodynamics, which deals with energy conservation.

Who developed the first successful heart-lung machine?

  • (A) Michael DeBakey
  • (B) Christiaan Barnard
  • (C) John Gibbon
  • (D) Norman Shumway

Answer: John Gibbon

John Gibbon developed the first successful heart-lung machine in 1953, enabling open-heart surgeries.

Who proposed the theory of the expanding universe?

  • (A) Edwin Hubble
  • (B) Albert Einstein
  • (C) Isaac Newton
  • (D) Galileo Galilei

Answer: Edwin Hubble

Edwin Hubble proposed the theory of an expanding universe, observing that galaxies are moving away from each other.

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Who invented the first successful airplane engine?

  • (A) Charles Lindbergh
  • (B) Glenn Curtiss
  • (C) Orville Wright
  • (D) Wright brothers

Answer: Glenn Curtiss

Glenn Curtiss is credited with designing and building the first successful airplane engine.

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