The Length of the Column in an Hg Thermometer Is $\circ$

question 41

Multiple Choice

The length of the column in an Hg thermometer is 5 cm at 0 ^$\circ$ C and 30 cm at 100 ^$\circ$ C.For a 20 cm length of column,the corresponding temperature is

• A)60.
• B)70.
• C)80.
• D)85.
• E)90.

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