'The coefficient of linear expansion for a metal is 0.000016 per C'. Explain the meaning of the statement.

'The coefficient of linear expansion for metal is 0.000016 per °C'. Explain the meaning of the statement.

One Line Answer

The given statement states that the change in length of the metal will be 0.000016 m when its temperature changes by 1°C.

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Chapter 5: Heat and Energy - Thermal Expansion [Page 203]

Chapter 5 Heat and Energy
Thermal Expansion | Q 26 | Page 203

Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?

Two identical rods of copper are heated to different temperatures — one by 5°C and the other by 10°C. Which rod will expand more?

Water is heated from 0°C to 4°C. Will it expand?

An iron washer is heated State the effect on its density.

At what temperature the pure water has (a) maximum density (b) minimum volume?

Solids ______ on heating and ______ on cooling.

Give reason for the following

An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.

What difference do you think heating the solid will make in their molecules?

Analogy:

Expansion is length:: Linear expansion.

Expansion in volume:: ______.

When we cool the liquid it will become ______.