The steps in the melting of an ice-cream bar kept beside a bonfire are listed below:
Step 1: Heat from the bonfire travels to the ice-cream bar
Step 2: Heat travels from one part of the ice-cream bar to the other parts
Which statement is true?
Heat is transferred by convection in Step 1 and by radiation in Step 2.
Heat is transferred by radiation in Step 1 and by convection in Step 2.
Heat is transferred by conduction in Step 1 and by radiation in Step 2.
Heat is transferred by radiation in Step 1 and by conduction in Step 2.
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The steps in the melting of an ice-cream bar kept beside a bonfire are listed below:
Step 1: Heat f...
Computers and Technology, 22.02.2020 02:48
Computers and Technology, 22.02.2020 02:49