SATHEE: Properties Of Solids And Liquids Question 468

Properties Of Solids And Liquids Question 468

Question: The apparent coefficient of expansion of a liquid when heated in a copper vessel is C and when heated in a silver vessel is S. If A is the linear coefficient of expansion of copper, then the linear coefficient of expansion of silver is [EAMCET 1991]

Options:

A) $\frac{C + S - 3 A}{3}$

B) $\frac{C + 3 A - S}{3}$

C) $\frac{S + 3 A - C}{3}$

D) $\frac{C + S + 3 A}{3}$

Show Answer

Answer:

Correct Answer: B

Solution:

$γ_{r} = γ_{a} + γ_{v}$ ;

where $γ_{r} =$ coefficient of real expansion, $γ_{a} =$ coefficient of apparent expansion and $γ_{v} =$ coefficient of expansion of vessel.

For copper $γ_{r} = C + 3 α_{C u} = C + 3 A$

For silver $γ_{r} = S + 3 α_{A g}$

therefore $C + 3 A = S + 3 α_{A g}$

therefore $α_{A g} = \frac{C - S + 3 A}{3}$

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Properties Of Solids And Liquids Question 468

Question: The apparent coefficient of expansion of a liquid when heated in a copper vessel is C and when heated in a silver vessel is S. If A is the linear coefficient of expansion of copper, then the linear coefficient of expansion of silver is [EAMCET 1991]

Options:

Answer:

Solution:

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