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  1. Home
  2. |Science
  3. |One Liner Questions

Science One Liner Questions with Answers

Practice exam-ready one liner questions for Science with quick answers for SSC, Railway, Banking and competitive exams.

Total Questions: 286

Physics Question and answer

Which instrument measures time intervals precisely?

Stopwatch

Physics Question and answer

Which quantity is measured in volts?

Voltage

Physics Question and answer

Which instrument measures sound intensity?

Sound level meter

Units & Measurements

Which of the following is a unit of astronomical distance?

Light year

Units & Measurements

Which group contains physical quantities with the same dimensions?

Work and energy

Modern Physics

What is radioactivity?

Spontaneous emission of radiation from unstable nuclei

Modern Physics

Which element is used as fuel in most nuclear reactors?

Uranium-235

Modern Physics

What is binding energy of a nucleus?

Energy released when a nucleus is formed from its constituent nucleons

Heat

Why does a pen not dry out when its cap is put on?

Ink absorbs latent heat from surroundings to evaporate which is prevented by the cap

Heat

At what temperature are food items kept fresh in a refrigerator?

4°C

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