Thermal Properties of Matter - Result Question 44
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45. Thermal capacity of $40 g$ of aluminium $(s=0.2$ $cal / g K)$ is
======= ####45. Thermal capacity of $40 g$ of aluminium $(s=0.2$ $cal / g K)$ is
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed:content/english/neet-pyq-chapterwise/physics/thermal-properties-of-matter/thermal-properties-of-matter—result-question-44.md (a) 168 joule $/{ }^{\circ} C$
(b) 672 joule $/{ }^{\circ} C$
(c) 840 joule $/{ }^{\circ} C$
(d) 33.6 joule $/{ }^{\circ} C$
[1990]
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Answer:
Correct Answer: 45. (d)
Solution:
- (d) Thermal capacity $=ms=40 \times 0.2=8 cal /{ }^{\circ} C$ $=4.2 \times 8 J=33.6$ joules $/{ }^{\circ} C$
