A slab of ice has one-half covered with black cloth and the other half with white cloth. The slab is now placed in sunlight. It will be observed that
A) 37,500 kg
B) more ice will melt under black cloth
C) more ice will melt under white cloth
D) ice will not melt
E) equal amount of ice will melt under the two cloths
Correct Answer:
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A)Insulating
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A)Convective heat transfer
Q15: a micron is equal to
A)10-6 metres
B)10-8 metres
C)10-5
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A)Absorptivity
B)Transmissivity
C)Reflectivity
D)Reflectivity + absorptivity
E)Absorptivity + transmissivity
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