= 1.40). How thick is the bubble (in nm) if

destructive interference occurs in the reflected light?

In an X-ray diffraction

experiment using X-rays of

m, a first-order maximum

occurred at 15.00

Estimate the distance (in

cm) between the central bright region and the fourth dark fringe on a screen 4.00 m from two double slits 0.500 mm apart illuminated by 530-nm light.

A narrow slit is

illuminated with sodium yellow light of wavelength 560 nm. If the central

maximum extends to

Two slits separated by

0.050 mm are illuminated with blue light (

= 450 nm). How many

bands of bright lines are there between the central maximum and the 10-cm

position? (The distance between the double slits and the screen is 1.5 m.)

= 900 nm) losses.

What thickness (in nm) is necessary to produce constructive interference in the

reflected infrared radiation?