Energy Transfer Models (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
In which direction does heat energy naturally flow?
In which direction does heat energy naturally flow?
From high to low temperature
What happens to particles during conduction?
What happens to particles during conduction?
They vibrate in place without moving
What is the unit of thermal conductivity?
What is the unit of thermal conductivity?
What is the thermal conductivity equation for rate of energy transfer?
What is the thermal conductivity equation for rate of energy transfer?
Why are metals excellent heat conductors?
Why are metals excellent heat conductors?
They have delocalised electrons
What makes heated fluid rise during convection?
What makes heated fluid rise during convection?
It becomes less dense and more buoyant
In which states of matter can convection occur?
In which states of matter can convection occur?
Only in fluids (liquids and gases)
What makes radiation different from conduction and convection?
What makes radiation different from conduction and convection?
It does not require a medium
What type of radiation do hotter objects emit?
What type of radiation do hotter objects emit?
Higher frequency, shorter wavelength
Which has the longest wavelength in the electromagnetic spectrum?
Which has the longest wavelength in the electromagnetic spectrum?
Radio waves