Which ray diagrams are correct? The three rays in each diagram are distinguished by different types of lines. Hint: Check the behavior of each ray as it interacts with the lens.
a.
B and C
b.
C and D
c.
D and E
d.
C and E
e.
C, D and E
Question 2
Each pattern shown below would appear on a screen when monochromatic light of wavelength first passes through a narrow slit of width a and then strikes a screen. The darkest areas on the page represent the brightest areas on the screen. In which case does the slit have the greatest width?
a.
b.
c.
d.
e.