A cube made of a certain material is heated, causing it to expand equally in all directions. If the initial side length of the cube is $ l $ and the temperature increase is $ \Delta T $, which exp

Question

A cube made of a certain material is heated, causing it to expand equally in all directions. If the initial side length of the cube is $l$ and the temperature increase is $\Delta T$ , which expression correctly represents the change in volume $\Delta V$ of the cube?

A

3 $l^2 \alpha_l \Delta T$

B

2 $l^2 \alpha_l \Delta T$

C

$l^2 \alpha_l \Delta T$

D

4 $l^2 \alpha_l \Delta T$

Accepted Answer

3$ l^2 \alpha_l \Delta T $

Answer

2$ l^2 \alpha_l \Delta T $

Answer

$ l^2 \alpha_l \Delta T $

Answer

4$ l^2 \alpha_l \Delta T $

NEET Physics Thermal Expansion MCQ Question

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