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Formula Sheet

Heat

ICSE · Class 7 · Physics

All formulas from Heat in ICSE Class 7 Physics. Key equations, constants, and identities for board exam preparation.

45 questions33 flashcards5 concepts

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14 Formulas · 4 Sections

Formulas

1. Heat and Temperature

Heat is a form of energy which flows from a hot body to a cold body when they are kept in contact.

Temperature is a quantity which tells us the degree of hotness or coldness of a body.

SI unit of heat = joule (J)

SI unit of temperature = Kelvin (K)

2. Units and Conversion of Heat and Temperature

1 kcal = 1000 cal

1 cal = 4.2 J (nearly)

1 J = 0.24 cal

t°C = (273 + t) K

°F = (9/5) °C + 32

3. Effects of Heat

Increase in size due to heating = thermal expansion

Effects of heat = change in temperature, change in size or shape, change in state

4. Thermal Expansion in Solids, Liquids and Gases

Liquids and gases have only cubical expansion

Liquids expand much more than solids when heated

Gases expand much more than liquids and solids

Full sheet with units and worked examples

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Frequently Asked Questions

What are the important topics in Heat for ICSE Class 7 Physics?
Key topics in Heat include Heat - Comprehensive Concept Map, Chapter Heat – Complete Concept Map, Heat Chapter - Complete Concept Map. These are the concepts ICSE Class 7 examiners draw on most — study them first, then practise related questions.
How to score full marks in Heat — ICSE Class 7 Physics?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Heat

All 7 chapters — ICSE Class 7 Physics Formula Sheet

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