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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 is used to detect objects using radio waves?

Radar

Physics Question and answer

Which SI unit is used to measure work?

Joule

Units & Measurements

What is the SI unit of magnetic permeability?

All of these

Units & Measurements

Match the quantity 'acceleration' with its correct SI unit.

Meter per second squared

Modern Physics

What is nuclear fusion?

Combining two light nuclei to form a heavier nucleus

Modern Physics

Which device is used to detect radioactive radiation?

Geiger-Muller counter

Heat

Which refrigerant is used in large cold storage (commercial refrigeration)?

Ammonia (NH₃)

Heat

Which refrigerant is used in domestic (household) refrigerators?

CFC (Chlorofluorocarbon)

Light (Optics)

What is the nature of light?

Dual nature — both wave and particle

Light (Optics)

On which principle is the reflection refraction and straight-line propagation of light explained?

Electromagnetic wave theory

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