Question

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Answer 1

Answer:

there is your answer

Explanation:

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Answer 2

Explanation:

Coefficient of given,

Superficial expansion β=20×10

−5

/

0

C

We know that,

6α=3β=2γ

Where α is linear expansion coefficient.

∴6×2×10

−5

=3β

⇒β=2×2×10

−5

=4×10

−5

/

0

C