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Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more? - Physics

Answer in Brief

Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?

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Solution

 Lt – L0 ∝ L0
∴ The rod having greater length will expand more when rods are heated to the same temperature.
∴  Rod with 10 m length will expand more.

Concept: Expansion of Substances (Thermal Expansion) - Expansion of Solids
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APPEARS IN

Selina Concise Physics Class 8 ICSE
Chapter 6 Heat Transfer
Short/long Answer Questions | Q 19 | Page 121
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