A silicon monoxide (n = 1.45) film of 112-nm thickness is used to coat a glass camera lens (n = 1.56). What wavelength of light in the visible region (390 to 710 nm) will be most efficiently transmitted by this system? (1 nm = 109 m)
a. 520 nm
b. 768 nm
c. 715 nm
d. 650 nm
e. 455 nm
[Ques. 2] A silicon monoxide (n = 1.45) film of 322-nm thickness is used to coat a glass camera lens (n = 1.56). What wavelength of light in the visible region (390 to 710 nm) will be most efficiently transmitted by this system? (1 nm = 109 m)
a. 467 nm
b. 498 nm
c. 623 nm
d. 527 nm
e. 736 nm
[Ques. 3] What wavelength monochromatic source in the visible region (390 to 710 nm) can be used to constructively reflect off a soap film (n = 1.46) if the film is 214 nm thick?
a. 417 nm
b. 446 nm
c. 406 nm
d. 489 nm
e. 479 nm
[Ques. 4] What wavelength monochromatic source in the visible region (390 to 710 nm) can be used to constructively reflect off a soap film (n = 1.46) if the film is 78.0 nm thick?
a. 467 nm
b. 386 nm
c. 456 nm
d. 404 nm
e. 499 nm
[Ques. 5] The dark spot observed in the center of a Newton's rings pattern is attributed to which of the following?
a. polarization of light when reflected
b. polarization of light when refracted
c. phase shift of light when reflected
d. phase shift of light when refracted
[Ques. 6] A silicon monoxide thin film (n = 1.45) of thickness 73.9 nm is applied to a camera lens made of glass (n = 1.55). This will result in destructive interference for reflected light of what wavelength?
a. 571 nm
b. 343 nm
c. 429 nm
d. 311 nm
e. 536 nm
[Ques. 7] Light of wavelength 450 nm shines on a soap bubble film (n = 1.46). For what soap film thickness, other than the minimum thickness, will constructive interference occur?
a. 771 nm
b. 154 nm
c. 493 nm
d. 231 nm
e. 462 nm
[Ques. 8] What is the minimum thickness of a glycerin film (n = 1.47) on which light of wavelength 684 nm shines that results in constructive interference of the reflected light? Assume the film is surrounded front and back by air.
a. 233 nm
b. 116 nm
c. 251 nm
d. 503 nm
e. 126 nm
[Ques. 9] In a Young's double-slit experiment, how many maxima occur between the 5th-order maxima?
a. 8
b. 9
c. 10
d. 25
e. Three more than the number of minima.
[Ques. 10] Laser light sent through a double slit produces an interference pattern on a screen 3.00 m from the slits. If the eighth-order maximum occurs at an angle of 63.4, at what angle does the third-order maximum occur?
a. No third-order maximum occurs.
b. 0.34
c. 19.6
d. 23.8
e. Not enough information is given.
Quick Reply
