Units & Measurements
Match the following correctly: high speed, wavelength, pressure and energy with their units.
High speed-Mach, wavelength-Angstrom, pressure-Pascal, 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 measured in Hertz (Hz)?
Frequency
Modern Physics
During nuclear fission of U-235 how many neutrons are approximately released per fission event?
2 to 3 neutrons (average 2.5)
Modern Physics
What is the significance of India's three-stage nuclear power program?
To utilize India's thorium reserves through U-233 fuel cycle eventually
Heat
Why do biscuits kept in a refrigerator without a cover become dry and crispy?
Cold dry air inside refrigerator absorbs moisture from biscuits and releases it outside as liquid
Light (Optics)
When does a Lunar Eclipse (Chandra Grahan) occur?
When Earth comes between Sun and Moon
Nutrition Questions and Answers
Which type of dietary fibre is especially associated with lowering LDL cholesterol?
Soluble viscous fibre
Nutrition Questions and Answers
What does the glycaemic index of a carbohydrate food indicate?
How rapidly it raises blood glucose relative to a reference food
Physics
Which instrument is used to measure rainfall amount?
Rain gauge
Physics
Which SI unit is used to measure work done?
Joule