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#1 2017-10-02 06:39:01

hamidoon123
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Registered: 2017-09-21
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Length of a rod is L₀ on temperature T₀. After heating up to temp...

9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Physics Online 9th Class Test Lesson 8 Thermal Properties Of Matter

Question:
Length of a rod is L₀ on temperature T₀. After heating up to temperature T, its length L becomes:

Option A):
L = L₀(1 + α∆T)
Option B):
L = L₀(1 - ∆T)
Option C):
L = L₀(1 - α∆T)
Option D):
L = L₀(1 + ∆T)

Correct Answer is Option A):
L = L₀(1 + α∆T)

2017-10-02 06:39:01

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