Units & Measurements
Which option correctly matches distance, electric charge, electric current and energy with their SI units?
Distance-meter, charge-coulomb, current-ampere, energy-joule
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
Units & Measurements
What is the SI unit of work?
Joule
Modern Physics
Which substance is used as moderator to slow down fast neutrons in a nuclear reactor?
Heavy water and Graphite
Heat
In winter touching iron feels colder than wood at same room temperature. Why?
Iron conducts heat faster away from hand so feels colder
Heat
What does an Air Cooler (desert cooler) control compared to Air Conditioner?
Only air speed but not temperature
Light (Optics)
How is the energy of light conserved during transmission?
As electromagnetic waves
Light (Optics)
What is a Bioluminescent source of light?
A living organism that produces its own light
Nutrition Questions and Answers
Which feature most characteristically distinguishes kwashiorkor from marasmus?
Oedema
Physics
Which unit is used to measure electric charge?
Coulomb
Physics
Which instrument is used to measure liquid pressure?
Manometer