Question

The temperature standard meter rod made of platinum - Iridium alloy kept in the archives of serves near Paris is

1) 0 degrees C
2) 27 degrees C
3) 100 degree C
4) None

Answer 1

answer is 4 none..... ...

Answer 2

The temperature is 0°C.

• A standard metre was first established in the year 1889.
• It was established as the considerable distance between two distinctive markings. They further obtain a realistic representation.
• The marks were placed on a platinum-iridium alloy.
• The alloy is 90% platinum and 10% iridium.
• The rod is carefully preserved at a temperature of 0° C.
• It is in the International Bureau of Weights and Measures at Serves near Paris.

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