The magnetic susceptibility of a paramagnetic material at -73°C is 0.0075 then its value at -173°C will be :-
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The magnetic susceptibility of a paramagnetic material at −73°C is 0.0075 then its value at −173°C will be :-

G1 Physics · Accepted Answer

For a paramagnet χ=C/T with absolute temperature. −73°C=200 K and −173°C=100 K. Thus χ₂=0.0075×(200/100)=0.015. Hence C.