Q. In the linear expansion formula, ΔL = αLΔT, ΔL represents __________.

रैखिक विस्तार सूत्र में, ΔL = αLΔT, ΔL __________ का प्रतिनिधित्व करता है।

A
Final length
अंतिम लंबाई
B
Change in length
लंबाई में बदलाव
C
Initial length
प्रारंभिक लंबाई
D
Temperature change
तापमान परिवर्तन

Explanation

In the equation:
ΔL=αLΔT\Delta L = \alpha L \Delta T

ΔL stands for the increase or decrease in length of the material due to temperature change. It's the difference between the final length and the initial length.

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