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Standard VII
Physics
Question

The process in which rate of transfer of heat is maximum is :
  1. convection
  2. conduction
  3. radiation
  4. in all these, heat is transferred with the same speed

A
conduction
B
convection
C
in all these, heat is transferred with the same speed
D
radiation
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Solution
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Radiation travels at speed of light.
So, it is the fastest mode of heat transfer.

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