A diagram illustrates a cube of initial side length $ l $ that undergoes thermal expansion when heated by a temperature $ \Delta T $. If $ \Delta l $ represents the change in length, what is the

Question

A diagram illustrates a cube of initial side length $l$ that undergoes thermal expansion when heated by a temperature $\Delta T$ . If $\Delta l$ represents the change in length, what is the expression for the change in volume $\Delta V$ of the cube?

A

$3l^2 \Delta l$

B

$3l \Delta l^2$

C

$l^2 \Delta l$

D

$l^3 \Delta l$

Accepted Answer

3l^2 \Delta l

Answer

3l \Delta l^2

Answer

l^2 \Delta l

Answer

l^3 \Delta l

NEET Physics Thermal Expansion MCQ Question

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