d₀ - object distance
d₁ - image distance
f- focal lenth
1/d₀ +1/d₁ =1/f,
1/d₁ =1/f - 1/d₀ =
= (d₀-f)/ d₀•f,
d₁=d₀•f/(d₀-f)=
=0.4•0.15/(0.4-0.15)=0.24 m,
0.03/0.4 =h/ d₁ ,
h= d₁•0.03/0.4=0.24•0.03/0.4=0.018 m
A 3 cm flower is placed 40 cm from a converging lens with a focal length of 15 cm. What are the orientation, size and type of the image?
1 answer