# phy

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an ungraduated mercury thermometer attached to a millimeter scale reads 22.8mm in ice and 242mm in steam at standard pressure. What will the millimeter read when the temperature is 20

• phy -

242 – 22.8 =219.2 mm,
100⁰ /219.2 = 0.456 ⁰/mm,
22.8 + 0.456•20=31.92 mm.

• phy -

An ungraduated mercury thermometer attached to a millimeter scale reads 22.8 mm in ice and 242mm in steam at standard pressure. What will the millimeter read when the temperature is. 20oC?

• phy -

The fundamental interval of a thermometric scale is

• phy113 -

66.64mm

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