Lens Power Flashcards
1
Q
Unit of lens power
A
Dioptres
2
Q
Converging lens have a ….. Power
A
Positive
3
Q
Diverging lens have a …. Power
A
Negative power
Unit of lens power
Dioptres
Converging lens have a ….. Power
Positive
Diverging lens have a …. Power
Negative power