Everyday Science
NULL
Medium
Question
Which heat-transfer method needs no material medium?
A
Radiation
✓ Official correct answer
B
Convection
C
Conduction
D
A and B both
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Radiation
No member explanations yet for this option.
B
Convection
No member explanations yet for this option.
C
Conduction
No member explanations yet for this option.
D
A and B both
No member explanations yet for this option.
Explanation
Radiation can travel through vacuum; conduction and convection need matter.
So the correct answer is Radiation.
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