1.

While reading the temperature of a body, only tube bulb is immersed in it. The percentage error committed while calculating the length of the mercury column corresponding to a temperature rise Delta T^(@) C. Ignoring the expansion of glass bulb will be: (volume expansivity of mercury is 182 xx 10^(-6)//°C and linear expansivity of glass is 8.3 xx10^(-6)//°C and linear expansivity of glass is 8.3 xx 10^(-6)//°C

Answer»

`5%`
`4.8%`
`13.7%`
`15.8%`

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