Question 8: In the figure, do 8.0 cm and x 5.0 cm The focal length of lens 1 and

Question

Question 8: In the figure, do 8.0 cm and x 5.0 cm The focal length of lens 1 and 2 are 6.0 cm and 10.0 cm respectively. A) Find the image distance for the final image of the system. B) What is the final magnification of the image? do Jens Lens 1 Question 9: Unpolarized polarized light with an original intensity of So, encounters three polarizers as shown in the figure It enters polarizer 1 then 2, then 3 Find the final intensity of light S Question 1e: A ray of light strikes a glass prism (n 1.35) If 0 300 and 4- 6eo, A) Find the incident angle of reflection B) Find eb, c) find ec.

Explanation / Answer

8) for the first lens

do1 = 8 cm

f1 = 6 cm

Using lenf formula

1/6 = 1/8 + 1/di

di = 24 cm

for the second lens

object distance , do2 =5 - 24 = -19 cm

1/10 = 1/(-19) + 1/di2

di2 = 6.55 cm

the final image is located at 6.55 cm from the second lens

b) overall magnification = (24/8) * (6.55/19) * (-1)

overall magnification = -1.03

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