Consider a diagram showing a cube of material with an initial length $ l $ that expands when heated. If the coefficient of linear expansion is $ \alpha_l $ and the temperature change is \( \Delta

Question

Consider a diagram showing a cube of material with an initial length $l$ that expands when heated. If the coefficient of linear expansion is $\alpha_l$ and the temperature change is $\Delta T$ , which expression represents the change in volume $\Delta V$ of the cube due to thermal expansion?

A

$3l^2 \alpha_l l \Delta T$

B

$2l^2 \alpha_l l \Delta T$

C

$l^3 \alpha_l \Delta T$

D

$l \alpha_l \Delta T$

Accepted Answer

3l^2 \alpha_l l \Delta T

Answer

2l^2 \alpha_l l \Delta T

Answer

l^3 \alpha_l \Delta T

Answer

l \alpha_l \Delta T

NEET Physics Thermal Expansion MCQ Question

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