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Question
A slab of material has area A, thickness L, and thermal conductivity k. One of its surfaces (P) is maintained at temperature T1and the other surface (Q) is maintained at a lower temperature T2. The rate of heat flow from P to Q is:
A) kA(T1- T2)/L2
B) kL(T1- T2)/A
C) kA(T1- T2)/L
D) k(T1- T2)/(LA)
E) LA(T1- T2)/k
Answer
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Related questions
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Q:
In a photoelectric effect experiment at a frequency above cut off, the stopping potential is proportional to:
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Q:
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Q:
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Q:
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Q:
Figure (i) shows a double-slit pattern obtained using monochromatic light. Consider the following five possible changes in conditions:
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Q:
The resolving power of a telescope can be increased by:
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Q:
Light of wavelength 480 nm falls on a slit of width 3.5 m. What is the relative intensity (that is, the value of I/Im) of the diffraction pattern at an angle of 18?
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Q:
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