Author Question: The pupil of a cat's eye narrows to a slit width of 0.5 mm in daylight. What is the angular ... (Read 27 times)

ssal · **on:** Jul 28, 2018

The pupil of a cat's eye narrows to a slit width of 0.5 mm in daylight. What is the angular resolution of the cat's eye in daylight (l = 500 nm)?
a. 0.01 rads
b. 10-5 rads
c. 10-3 rads
d. 10-4 rads
e. 0.1 rads

Question 2

Helium-neon laser light (l = 6.33 10-7 m) is sent through a 0.30 mm-wide single slit. What is the width of the central maximum on a screen 1.0 m from the slit?
a. 2.0 cm
b. 4.2 mm
c. 1.1 cm
d. 2.0 mm
e. 0.70 mm