A metal rod of length 50cm is heated from 40^oC to 80^oC. If the linear expansivity of the material is \(\alpha\), calculate the increase in length of the rod (in metres) in terms of \(\alpha\)

20\(\alpha\)

200\(\alpha\)

2000\(\alpha\)

20000\(\alpha\)

Correct Option

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10 years ago

from 50 to 0.5???? hmmmm

9 years ago

Yes convert 50cm to m it's 0.5. so the answer is very correct

10 years ago

Very wrong.... L1-L2=AL1(o1-o2)

ceoofwahala

20th June, 2026

Chemistry

2 comments

ASSAAS

20th June, 2026

English Language

5 comments

infinitehoaxx

21st May, 2026

Computer

4 comments

A metal rod of length 50cm is heated from 40oC to 80oC. If the linear expansivity of the material is \(\alpha\), calculate the increase in length of the rod (in metres) in terms of \(\alpha\)