Units & Measurements
Joule is the unit of which quantity?
Energy
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
Modern Physics
What are the two necessary conditions for a self-sustained chain reaction in a nuclear reactor?
Each fission releases more than one neutron AND fast neutrons are slowed by moderator
Modern Physics
Which country conducted the first nuclear test and what was it called?
USA — Trinity Test 1945
Heat
Desert cooler increases humidity in a room. True or False — and why?
True — desert cooler adds water vapor to air while cooling
Heat
What is the function of a thermostat in a refrigerator?
To maintain uniform temperature inside the refrigerator
Light (Optics)
How much time does light reflected from the Moon take to reach the Earth?
1 minute 28 seconds
Light (Optics)
When does a Solar Eclipse (Surya Grahan) occur?
When Moon comes between Sun and Earth
Nutrition Questions and Answers
What is a probiotic?
A live microorganism that may confer a health benefit when adequately consumed
Nutrition Questions and Answers
What is a prebiotic?
A substrate selectively used by beneficial microorganisms
Physics
Which quantity is measured in coulombs?
Charge