Question

state true or false
1. invar is an alloy which does not expand on heating? ​

Answer 1

Answer:

Invar is an alloy which does not expand on heating

True .( That's why it's used in pendulum)

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Answer 2

True

Explanation:

• Invar is generally known as nickel-iron alloy for its low coefficient of thermal expansion
• Invar comes from the word invariable referring to its lack of expansion or contraction with temperature changes

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