Author Question: Light enters a substance from air at an angle of 32.0, and continues at an angle of 23.0. What is ... (Read 70 times)

michelleunicorn · **on:** Jul 29, 2018

Light enters a substance from air at an angle of 32.0, and continues at an angle of 23.0. What is the index of refraction of the substance?

A)

0.74
B)

1.11
C)

1.28
D)

1.36
E)

1.52

Question 2

Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An observing screen is placed 2.00 m from the slit. Find the width of the central maximum.

A)

0.26 mm
B)

1.9 mm
C)

3.9 mm
D)

4.3 mm
E)

7.7 mm