IB · B · multiple choice
The particulate nature of matter · Question 6
The particulate nature of matter · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- recall
- Marks
- 1
- Topics
- 1
- Answer
- Complete
multiple choice1 mark
Which method of thermal energy transfer can occur through a vacuum?
- A
conduction only
- B
convection only
- C
radiation only
- D
all three
Ready to self-mark?Reveal the detailed answer guide
Answer overviewCorrect answer: C — radiation only
01
1 markAnswer and reasoning
How to approach it
Predict from the governing principle before looking for a matching option. Then reject alternatives by checking direction, units, limiting behaviour or the physical meaning of each statement.
- 1
The correct choice is C: radiation only
- 2
Conduction and convection both need particles to carry or move the energy. Radiation is an electromagnetic wave and needs no medium at all.
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