Edexcel GCSE Physics · 1PH0
Specification 5.4P · Paper 1
Revise: Lens PowerWatts describe the rate of energy transfer; dioptres describe the focusing strength of a lens.
Loading…
Loading…
Loading…
GCSE Physics · key term
The unit of lens power, symbol D; one dioptre is one reciprocal metre.
Used by Edexcel
Specification 5.4P · Paper 1
Revise: Lens PowerWatts describe the rate of energy transfer; dioptres describe the focusing strength of a lens.
Do not confuse lens power in dioptres (D) with power as a rate of energy transfer in watts (W).
Create a free account to read GCSE Physics revision notes for your exam board and track your progress.