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Two rods A and B of the same metal, but of length 1 m and 2 m respectively, are heated from 0°C to 100°C. Then - Physics

MCQ

Two rods A and B of the same metal, but of length 1 m and 2 m respectively, are heated from 0°C to 100°C. Then

Options

  • both the rods A and B elongate the same

  • the rod A elongates more than the rod B

  • the rod B elongates more than the rod A

  • the rod A elongates, but the rod B contracts.

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Solution

the rod B elongates more than the rod A

Concept: Expansion of Substances (Thermal Expansion)
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APPEARS IN

Selina Concise Physics Class 8 ICSE
Chapter 6 Heat Transfer
Objective questions | Q 4.5 | Page 120
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