Heat

LO-7-SCI-09-01LO-7-SCI-09-02LO-7-SCI-09-03LO-7-SCI-09-04 D-7-SCI-09 · DIKSHA

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Heat & Thermometer: Three Modes of Transfer

12:14178.2 MB stream

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Uploaded by Ms. Anita Sharma (Faculty) · Faculty lecture

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Heat Chapter — 5-Minute Revision

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by Meera NairText

• Thermometer: SI unit kelvin; clinical 35–42°C; lab 0–100°C.
• Fixed points: 0°C (ice) & 100°C (boiling water).
• C = 5/9 (F − 32); F = 9/5 C + 32 → 37°C = 98.6°F.
• Conduction (solids, metals good) · Convection (liquids/gases, density) · Radiation (vacuum, Sun!).
• Dark dull surfaces absorb more; light surfaces reflect more.

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