1. Radiation is the chief method of energy transfer a. from the sun to an earth

Question

1. Radiation is the chief method of energy transfer
a. from the sun to an earth satellite
b. from a gas flame to water in a teakettle
c. from a soldering iron to metals being soldered.
d. from water to an ice cube floating in it
e. from a mammal to the surrounding air.

2. of the processes below, the one in which practically all the heat transfer is by conduction is:
a. from the sun to an earth satellite
b. from a gas flame to the top layer of water in a teakettle.
c. from a soldering iron to metals being soldered
d. from the bottom of a glass of water to an ice cube floating in it.
e. from a mammal to the surrounding air.

Explanation / Answer

ans=1.a 2.c

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