CBSE Class 11-science Answered
Why we use a platinum iridium alloy in making prototype meter and kilogram?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
The alloy is least affected by temperatures variations. It is non-corrosive and so does not wear out easily.
Answered by | 04 Jun, 2014, 03:23: PM
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