Physics
Which quantity is measured in newtons?
Force
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: 316
Physics
Which instrument is used to measure rainfall?
Rain gauge
Units & Measurements
What is the dimensional formula of Planck’s constant h?
[ML²T⁻¹]
Units & Measurements
What is the dimension of relative density?
It has no dimension
Modern Physics
What is the approximate lifetime of a pi-meson (pion)?
10⁻⁸ second
Modern Physics
What is the smallest unit of a substance that can exist independently in a free state?
Molecule
Heat
What is the boiling point of water in all four temperature scales — Celsius, Fahrenheit, Reamur, and Kelvin?
100°C, 212°F, 80°R, 373 K
Heat
What is the freezing point of water in all four temperature scales?
0°C, 32°F, 0°R, 273 K
Nutrition Questions and Answers
Which nutrient is the body’s primary and most readily available source of energy?
Carbohydrates
Nutrition Questions and Answers
How much energy is provided by one gram of dietary fat?
9 kcal