Heat
What phenomenon causes a pen to dry out and how does putting the cap on prevent it?
Ink evaporates by absorbing latent heat from surroundings; cap blocks evaporation by saturating air space
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
Light (Optics)
Why does a lunar or solar eclipse not occur every month?
Because Moon's orbit is tilted at 5° to Earth's orbital plane around Sun
Physics
Which of the following is a vector quantity?
Velocity
Physics
Which quantity has no direction?
Speed
Physics
Which instrument measures temperature?
Thermometer
Physics
Which instrument measures humidity?
Hygrometer
Physics
Which instrument measures milk purity?
Lactometer
Physics
Which instrument measures wind speed?
Anemometer
Physics
What is the SI unit of force?
Newton
Physics
What is the SI unit of work?
Joule