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Transfer of Heat
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Transfer of Heat
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Transfer of Heat
Carbon dioxide in atmosphere traps the radiation and causes
decrease in temperature
greenhouse effect
depletion of ozone layer
formation of ozone layer
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Transfer of Heat
The heat flow rate depends on
cross sectional area of solid
length of solid
temperature difference between ends
all of above
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Transfer of Heat
If the cross sectional area is larger, the rate of flow of heat will be
zero
constant
smaller
greater
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Transfer of Heat
The heat transfer from one place to another takes place through
conduction
convection
radiation
all of above
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Transfer of Heat
If the length between the hot and cold ends of the solid is larger, the rate of flow of heat will be
greater
smaller
zero
constant
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Transfer of Heat
The heat from the fireplace reaches us directly in the form of waves called
convection
radiation
conduction
fusion
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Transfer of Heat
Central heating system in buildings work on the principle of
convection
fusion
radiation
conduction
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Transfer of Heat
Transfer of heat through actual movement of molecules is
conduction
radiation
convection
diffusion
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Transfer of Heat
The mode of transfer of heat from one place to another in the form of electromagnetic waves is called
fusion
convection
radiation
conduction
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Transfer of Heat
The substances through which heat does not conduct easily are called
bad conductors
good conductors
good convections
bad convections
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