1.

A faulty thermometer has its fixed points marked 5^(@)C and 95^(@)C. The thermometer reads the temperature of body as 59^(@)C. The correct temperature on Celsius scale is:

Answer»

`59^(@)C`
`60^(@)C`
`45^(@)C`
`58^(@)C`

Solution :`("False READING - lower pt.")/("range")`
`=("TRUE reading - lower point.")/("range")`
`(59-5)/(95 cdot 5)=(T-0)/(100)`
`(54)/(90)=(T)/(100) rArr T=(54)/(90) xx100 =60^(@)C`
Thus, correct choice is (b).


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