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Which of the following expressions is dimensionally correct?

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a
T=t+273.15
b
T/K=t/C+273.15
c
T=t+273.15 k
d
T=t+273.15  0C

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detailed solution

Correct option is A

A physical manifestation must be dimensionally accurate as well. For instance, the following might be used to express the conversion of Celsius temperature to kelvin temperature:

The unit of 0c is °C, but that of T is K, therefore while this formula is numerically valid, it is not dimensionally right.

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