1 m भुजा वाला एक घनीय पात्र जल से पूरा भरा हुआ है । उसमें कितने मिलिलीटर जल है (पात्र की मोटाई को नगण्य मानें) ?
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A cubical vessel of side 1 m is filled completely with water. How many millilitres of water is contained in it (neglect thickness of the vessel)?
(a) 1000 · (b) 10000 · (c) 100000 · (d) 1000000
उत्तर और व्याख्या · explanation in English
Answer: (d) 1000000
A cube of side 1 m holds 1 m³ = 100 × 100 × 100 cm³ = 10 lakh cm³, and each cubic centimetre is one millilitre. So it contains 1000000 mL, i.e. 1000 litres.
- Volume = 1 m × 1 m × 1 m = 1 m³.
- 1 m³ = 100 cm × 100 cm × 100 cm = 1000000 cm³.
- 1 cm³ = 1 mL, so the vessel holds 1000000 mL.
- Check: 1 m³ = 1000 litres, and 1 litre = 1000 mL.
Remember · 1 m³ = 1000 L = 10⁶ mL; 1 cm³ = 1 mL.
Question and answer: UPSC's official GS Paper II (2021, Series A) — paper ↗ · answer key ↗. Explanation: Minimalist IAS, checked 30 Sept 2026 (how we verify). ·