Tag: scientist and their achievements

Questions Related to scientist and their achievements

Multiple choice physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

Who enunciated the principle of equipartition of energy?

  1. Ludwig Bolizmann

  2. Joseph Stefan

  3. Sir James Hopwood Jeans

  4. James Prescott Joule

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ludwig Boltzmann enunciated the principle of equipartition of energy, which states that energy is distributed equally among all degrees of freedom in thermal equilibrium. Joseph Stefan, Jeans, and Joule made other contributions to thermodynamics.

Multiple choice physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

He introduced a triatomic theory of colour vision, was the first to observe ocular astigmatism, he proved that the accommodation of eye was affected by change of curvature of the crystalline lens, but most famour for his discovery of interference of light and for developing the wave theory of light. Who was this physician-cum-physicist?

  1. Augustin Jean F. Fresnel

  2. Humphrey Lloyd

  3. Christiaan Huygens

  4. Thomas Young

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The triatomic theory of colour vision. The interference of light and for developing the wave theory of light. The physician -cum-physicist was Thomas Young.

Multiple choice physics indian scientist: biography and achievements inventions and inventors in science scientists scientist and their achievements

What Benjamin Franklin invented?

  1. Bifocal spectacles

  2. Radio

  3. Barometer

  4. Hygrometer

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Benjamin Franklin Invented Bifocal spectacle in 1760. Benjamin Franklin's had poor vision and needed glasses to read. He got tired of constantly taking them off and putting them back on, so he decided to figure out a way to make his glasses let him see both near and far. He had two pairs of spectacles cut in half and put half of each lens in a single frame. Today, we call them bifocals.

Multiple choice physics indian scientist: biography and achievements inventions and inventors in science scientists scientist and their achievements

Who was the first pre-Socratic philosopher to suggest that matter could neither be created nor destroyed?

  1. kepler

  2. Newton

  3. parmenides

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Parmenides was the first pre-Socratic philosopher to suggest that matter could neither be created nor destroyed.

Hence,
option $(C)$ is correct answer.