1.

In Newton's law of cooling, if the rates of emission of radiation by a calorimeter from 75^(@)C" to "70^(@)C,70^(@)C" to "65^(@)C and from 65^(@)C to 60^(@)C are E_(1),E_(2)andE_(3) respectively then

Answer»

`E_(1)=E_(2)=E_(3)`
`E_(1)gtE_(2)gtE_(3)`
`E_(1)ltE_(2)ltE_(3)`
`E_(1)ltE_(2)gtE_(3)`

ANSWER :B


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