Physics and Science Flashcards
6 cards from real CDS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Physics and Science flashcards as text
What is the chemical symbol for gold?
Answer: Au
The chemical symbol for gold is Au, derived from the Latin word 'Aurum'.
Which type of electromagnetic radiation has the highest frequency?
Answer: Gamma rays
Gamma rays have the highest frequency (and shortest wavelength) in the electromagnetic spectrum.
Archimedes' Principle states that a body immersed in a fluid experiences an upward force equal to what?
Answer: Weight of fluid displaced
Archimedes' Principle states buoyant force equals the weight of the fluid displaced by the object.
What is the chemical formula of common salt?
Answer: NaCl
Common salt (sodium chloride) has the chemical formula NaCl, made of sodium and chlorine ions.
Which organ in the human body produces insulin?
Answer: Pancreas
The pancreas produces insulin in its beta cells (islets of Langerhans) to regulate blood sugar levels.
The Law of Conservation of Energy states that energy can neither be created nor destroyed, but only what?
Answer: Converted from one form to another
The Law of Conservation of Energy states energy can only be converted from one form to another, with the total always constant.
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Sources & references
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- upsc.gov.in — Test delivery, fees, exam format, passing score, retake policy, time limit · verified Oct 2026