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One liter of mercury at 100C is heated to 300C. Find the increase in the volume of mercury. The coefficient of cubical expansion of mercury is 1.8 X 10-4 0C-1. - Physics

Short Note

One liter of mercury at 100C is heated to 300C. Find the increase in the volume of mercury. The coefficient of cubical expansion of mercury is 1.8 X 10-4 0C-1.

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Solution

Volume of mercury, V = 1 liter Rise in temperature, t = 30 - 20 = 20°c Coefficient of volume expansion, y = 1.8 x 10-4°C -1
Increase in volume = V x t x y
= 1 x 20 x 1.8 x 10-4
= 3.6 x 10-3 liter

Concept: Temperature
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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 5 Heat
Exercise | Q 43 | Page 230
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