Concave Lens Flashcards
1
Q
f mean equation
A
F1×f/f1-f
F = mean focal length of combination lens
F1 mean focal length of convex lens
2
Q
Two methods in tabluar column
A
Convex vex alone
Combination method
3
Q
tabular requirement
A
u
v
f
4
Q
Which lens faced to object
A
Convex
