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CBSE Class 9 Answered

pg134-1
Asked by | 18 Oct, 2009, 03:08: PM
Expert Answer

Increase in length is 1% i.e. ΔL/L = 1/100,

ΔL = αLΔT

ΔT = ΔL/(αL) = 1/(100x0.00002) = 500 oC

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TopperLearning.

Answered by | 20 Oct, 2009, 11:54: AM
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