Question

C. Write 'true' or false for the following statements:

1. A bimetallic strip is based on the principle that different metals have different thermal expansions for the same rise in
temperature.____

2. While laying concrete slabs on the floor tiny gaps are left so as to provide for the cubical
expansion_____

3. A thick glass tumbler does not crack, when boiling hot tea is poured in it._____

4. Different liquids have same value of cubical expansion.____

5. All gases on heating have same value of cubical expansion. ______

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Answer 1

Answer:

1 true

2 false 3 false 4 true

Answer 2

Answer:

1 true 2 false 3 false 4 true 5 true