Question

convere
cof a
220 cm
/
الكري
clonalure
The radises of
af
lens
surface
the
refractive
index
material
of
lensis
of
Calculate
its focal
dergth.
Horus
is
plane AB, schat neill be
longth of
the each
the twoo
falues
formea
ned ?
lelnat
happens if
cut al
along
CD?
A
along the
the focal
of
30
cuib
the
B​

Answer 1

Answer:

what are you asking I can't understand