Invar an alloy of iron and steel has a coefficient of 0.2x10-6/0C. How much would a...

Invar an alloy of iron and steel has a coefficient of 0.2x10-6/0C. How

much would a 2 m long slab expand if the temperature went from

5 0C to 90 0C?

Solutions

Expert Solution

When any metal or alloy is being heated,it means it is accepting the thermal energy and storing and in its atom as kinetic energy.....

As the kinetic energy of the arom increases it means the atoms are vibrating at more amplitude making the average distance between the atoms more.

This makes the metal or the alloy to expand.

So the length expanded by the alloy=1.6×10^-5 m.

Please kindly let me know if you have any doubt.....please upvote...

genius_generous answered 1 year ago

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