SATHEE: Properties Of Solids And Liquids Question 410

Properties Of Solids And Liquids Question 410

Question: The length of a metallic rod is 5 m at $0^{\circ} C$ and becomes 5.01 m, on heating up to $100^{\circ} C$ . The linear expansion of the metal will be

Options:

A) $2.33 \times 10^{- 5} /^{\circ} C$

B) $6.0 \times 10^{- 5} /^{\circ} C$

C) $4.0 \times 10^{- 5} /^{\circ} C$

D) $2.0 \times 10^{- 5} /^{\circ} C$

Show Answer

Answer:

Correct Answer: D

Solution:

[d] $ℓ = 5 m t_{1} = 0^{\circ} C$

$ℓ_{2} = 5.01 m t_{2} = 100^{\circ} C$

$α = \frac{ℓ_{2} - ℓ_{1}}{ℓ_{1} (t_{2} - t_{1})} = \frac{5.01 - 5}{5 \times 100} = 2 \times 10^{- 5} /^{o} C$ .

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Properties Of Solids And Liquids Question 410

Question: The length of a metallic rod is 5 m at 0∘C and becomes 5.01 m, on heating up to100∘C . The linear expansion of the metal will be

Options:

Answer:

Solution:

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Question: The length of a metallic rod is 5 m at $0^{\circ} C$ and becomes 5.01 m, on heating up to $100^{\circ} C$ . The linear expansion of the metal will be