SATHEE: Thermal Properties of Matter

Thermal Properties of Matter - Result Question 44

45. Thermal capacity of $40 g$ of aluminium $(s = 0.2$ $c a l / g K)$ is

(a) 168 joule $/^{\circ} C$

(b) 672 joule $/^{\circ} C$

(d) 33.6 joule $/^{\circ} C$

[1990]

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Answer:

Correct Answer: 45. (d)

Solution:

(d) Thermal capacity $= m s = 40 \times 0.2 = 8 c a l /^{\circ} C$ $= 4.2 \times 8 J = 33.6$ joules $/^{\circ} C$

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Thermal Properties of Matter - Result Question 44

45. Thermal capacity of 40g of aluminium (s=0.2 cal/gK) is

Answer:

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45. Thermal capacity of $40 g$ of aluminium $(s = 0.2$ $c a l / g K)$ is