Answers will be on next post
Which
of the following is the correct formula for focal point calculation?
A.
F= I + O
B.
1/F = I x 1/O
C.
F = 1 x 1/O
D.
1/F = 1/I + 1/O
Which of the following is the correct formula for lens power (P)?
A.
P = 1/f + 1/O
B.
P = 1/f
C.
P = f x O
D.
P = O/f
The absolute index of refraction for a substance is 2.0 for light having a
wavelength of 5.9 x 10-7 meter. In this substance what is the critical angle
for light incident on a boundary with air?
A.
25 Degrees
B.
30 Degrees
C.
35 Degrees
D.
40 Degrees
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