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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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An iron sphere has a radius of 10 cm10 \mathrm{~cm} at a temperature of 0∘C0^{\circ} \mathrm{C}. Calculate the change in the volume of the sphere, if it is heated to 100∘C100^{\circ} \mathrm{C}. Coefficient of linear expansion of iron =11×10−6∘C−1=11 \times 10^{-6}{ }^{\circ} \mathrm{C}^{-1}.
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Correct option: A
13.8 cm313.8 \mathrm{~cm}^3
Option A (13.8 cm313.8 \mathrm{~cm}^3) is correct because it is the change in volume calculated using the formula for volumetric expansion with the given linear expansion coefficient and temperature change.

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