O-LevelPhysicsEnergy & Work5054/11 · May/June 2022 · Q111 Mark
The total energy incident in 1.0s on a group of solar panels is 120 J/m². The group of solar panels converts 720 J of light energy to 120 J of useful electrical energy in 1.0 s. What is the total surface area of the panels and what is the efficiency of the system?
A6.0, 17
B0.17, 6.0
C6.0, 6.0
D0.17, 17
✓ Correct answer
A: 6.0, 17
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Energy & Work and see which topics are most likely to come up next.
Sign up free →