D Converging lenses
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Transcribed Image Text:6.) Two Converging lenses have focal lengths of t₁ = 10.0cm,
f₂=20.0cm and are 50.0 cm apart. the objectis 30 cm from
Lens!. Dnow the ray diagrams
3= 30 +1
di-
2 + 30 ) di
-
di 2=30
di 15cm
object
V
do.
३ocm
m=
50-15=
-
Flo
do of
and long
leus
35am for
-di
do
di
(.
35cm
a.) Where is the final image made by Lens 2? (in cm)
tratto
do
di
!= dit do
f
F
(10) F ( +/- + - +/- ) 30
di
36
2 do
di,
4 15cm
1
=
15 cm
1- 35m
50 cm
dom
fa
I
16 = d² + = /com
di
2010
form
35em
ㅗ
di
di = 46,7c
,021 =
(126-7cm from original object)
ст
b.) What is the overall magnification? (2 problems)
HiNt {M = (M₁ M₂)
m=
२.
-46.7cm
35cm
dis
46.700-1
120cm-
= -15cm = -1/-2 Voi. 5
=
30cm
*3
46-7cm
f₂
2
✓
em from lens 2
1/ 17.33
Em = (m₁ m₂) = ( = ₂2 0 = = = ²
3
ilm
- 3)
+67
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