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10-1.Thermometry, Thermal Expansion and Calorimetry
easy
પાણીની સમકક્ષ $20 \,g$ એલ્યુમીનીયમનો (વિશિષ્ટ ઉષ્મા $0.2 \,cal g ^{-1}{ }^{\circ} C ^{-1}$, .......... $g$ હશે?
A
$40$
B
$4$
C
$8$
D
$160$
Solution
(b)
$0.2 \times 20=4$ [Thermal Capacity]
Water equivalent numerically equal to thermal capacity So $W=4 \,g$
Standard 11
Physics