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

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