Last Updated On [03-11-2023]
Two identical beakers A and B contain equal volumes of two different liquids at 60°C each and left to cool down. Liquid in A has density of 8 × 102 kg/m3 and specific heat of 2000 Jkg−1K−1 while liquid in B has density of 103 kgm−3 and specific heat of 4000 Jkg−1K−1. Which of the following best describes their temperature versus time graph schematically? (assume the emissivity of both the beakers to be the same)
(a)
(b)
(c)
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(d)
Two identical beakers A and B contain equal volumes of two different liquids at 60°C each and left to cool down. Liquid in A has density of 8 × 102 kg/m3 and specific heat of 2000 Jkg−1K−1 while liquid in B has density of 103 kgm−3 and specific heat of 4000 Jkg−1K−1. Which of the following best describes their temperature versus time graph schematically? (assume the emissivity of both the beakers to be the same)
(a)
(b)
(c)
(d)
Question ID - 51162 :-
Two identical beakers A and B contain equal volumes of two different liquids at 60°C each and left to cool down. Liquid in A has density of 8 × 102 kg/m3 and specific heat of 2000 Jkg−1K−1 while liquid in B has density of 103 kgm−3 and specific heat of 4000 Jkg−1K−1. Which of the following best describes their temperature versus time graph schematically? (assume the emissivity of both the beakers to be the same)
(a)
(b)
(c)
(d)
|
Two identical beakers A and B contain equal volumes of two different liquids at 60°C each and left to cool down. Liquid in A has density of 8 × 102 kg/m3 and specific heat of 2000 Jkg−1K−1 while liquid in B has density of 103 kgm−3 and specific heat of 4000 Jkg−1K−1. Which of the following best describes their temperature versus time graph schematically? (assume the emissivity of both the beakers to be the same) |
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(a) |
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(b) |
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(c) |
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(d) |
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=e
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(2) >1Next Question :
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A solid conducting sphere, having a charge Q, is surrounded by an uncharged conducting hollow spherical shell. Let the potential difference between the surface of the solid sphere and that of the outer surface of the hollow shell be V. If the shell is now given a charge of −4 Q, the new potential difference between the same two surfaces is |
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(a) |
−2V |
(b) |
V |
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(c) |
2V |
(d) |
4V |
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