Which of the following is NOT an application of interference of light? a. Operation of an...
Which of the following is NOT an application of interference of light?
| a. |
Operation of an electro-optic modulator. |
|
| b. |
Separation of wavelengths by a diffraction grating. |
|
| c. |
Imaging by a pinhole camera. |
|
| d. |
The "rainbow-like" colors of an oil slick. |
Homework Answers
a. Operation of an electro-optic modulator.
it changes refractive index ...which is not interference
Add Answer to:
Which of the following is NOT an application of interference of
light?
a.
Operation of an...
10) The wavelength of light plays no role in a) interference b) polarization c) resolving power...
10) The wavelength of light plays no role in a) interference b) polarization c) resolving power d) diffraction e) none of these 11) Thin films in soapy water owe their brilliant colors to a combination of interference and a) refraction b) reflection c) polarization d) diffraction e) none of these 12) The wavelength of light that is deviated in the first order by 15 degrees by a 5000-line/cm grating is a) 773nm b) 52nm c)518 nm d) 773 nm e)...
A diffraction grating having 180 lines/mm is illuminated with a light signal containing only two wavelengths,...
A diffraction grating having 180 lines/mm is illuminated with a light signal containing only two wavelengths, λ1 = 444 nm and λ2 = 555 nm. The signal is incident perpendicularly on the grating. (a) What is the angular separation between the second-order maxima of these two wavelengths? (b) What is the smallest angle at which two of the resulting maxima are superimposed? (c) What is the highest order for which maxima for both wavelengths are present in the diffraction pattern?
A diffraction grating having 190 lines/mm is illuminated with a light signal containing only two wavelengths,...
A diffraction grating having 190 lines/mm is illuminated with a light signal containing only two wavelengths, λ1 = 440 nm and λ2 = 550 nm. The signal is incident perpendicularly on the grating. (a) What is the angular separation between the second-order maxima of these two wavelengths? (b) What is the smallest angle at which two of the resulting maxima are superimposed? (c) What is the highest order for which maxima for both wavelengths are present in the diffraction pattern?
A diffraction grating having 190 lines/mm is illuminated with a light signal containing only two wavelengths,...
A diffraction grating having 190 lines/mm is illuminated with a light signal containing only two wavelengths, λ1 = 420 nm and λ2-525 nm. The signal is incident perpendicularly on the grating. (a) What is the angular separation between the second-order maxima of these two wavelengths? (b) What is the smallest angle at which two of the resulting maxima are superimposed? (c) What is the highest order for which maxima for both wavelengths are present in the diffraction pattern? (a) Number...
2. You have a diffraction grating with 2500 lines/cm. You also have a light source that...
2. You have a diffraction grating with 2500 lines/cm. You also have a light source that emits light at 2 different wavelengths, 540 nm and 690 nm, at the same time. The screen for your experiment is 1.2 meters from the diffraction grating. A. What is the line spacing for the grating? B. What is the difference in the angle of the 2nd bright fringe for each wavelength for this grating? C. Which wavelength is closer to the center of...
I am in need of help with my lab which is on diffraction and interference. I...
I am in need of help with my lab which is on diffraction and
interference.
I set up a diffraction grating in the following fashion:
Replace the laser with an incandescent light. You should be able
to see the visible spectrum appearing in the first order (the
second order will most likely be too dim to see).
Calculate and report the shortest wavelength
(?s) and the longest wavelength
(?L) for the incandescent light. What is the
physical significance of this...
Check all that apply "Light travels in a straight line" is an example of a scientific...
Check all that apply "Light travels in a straight line" is an example of a scientific model. Using models is a common practice in the sciences. Which of the following items below is a valid way to complete the sentence, ''A scientific model " a. might use a diagram b. must be something we can test c. is only a mental image, and does not need to be useful for predicting things d. is useful for making predictions e. must...
4. (10 pts) A double slit interference experiment uses red light (red = 650 nm). has...
4. (10 pts) A double slit interference experiment uses red light (red = 650 nm). has a screen distance of L=1.0 m, and a slit distance of d=1mm. Which of the following would cause the fringe spacing to increase? You may choose more than one. A. Use blue-green light (Ang = 520 nm) B. Use L=1.5 m C. Use a slit size of d=0.5 mm D. Switch to a diffraction grating
19. The metric system unit of frequency is the Hertz, abbreviated Hz, which is that same...
19. The metric system unit of frequency is the Hertz, abbreviated Hz, which is that same as 1.00 wave cycle per second. True False 20. When light goes through a prism or diffraction grating and you do not see all of the colors of the rainbow it is called a(n): A. subvenience spectrum B. uniform density spectrum C. continuous spectrum D. discrete spectrum E. diverted spectrum
495 nm laser light falls on a diffraction grating and forms an interference pattern on a...
495 nm laser light falls on a diffraction grating and forms an interference pattern on a wall 0.98 m behind the grating. The third bright spot is 1088 mm from the central bright spot. a) What is the spacing between the lines in the grating? d = μm b) How many lines per mm is this? lines/mm = c) If the grating were illuminated instead with a red 625 nm laser, what would be the distances to the first five...
10) The wavelength of light plays no role in a) interference b) polarization c) resolving power d) diffraction e) none of these 11) Thin films in soapy water owe their brilliant colors to a combination of interference and a) refraction b) reflection c) polarization d) diffraction e) none of these 12) The wavelength of light that is deviated in the first order by 15 degrees by a 5000-line/cm grating is a) 773nm b) 52nm c)518 nm d) 773 nm e)...
A diffraction grating having 190 lines/mm is illuminated with a light signal containing only two wavelengths, λ1 = 420 nm and λ2-525 nm. The signal is incident perpendicularly on the grating. (a) What is the angular separation between the second-order maxima of these two wavelengths? (b) What is the smallest angle at which two of the resulting maxima are superimposed? (c) What is the highest order for which maxima for both wavelengths are present in the diffraction pattern? (a) Number...
I am in need of help with my lab which is on diffraction and
interference.
I set up a diffraction grating in the following fashion:
Replace the laser with an incandescent light. You should be able
to see the visible spectrum appearing in the first order (the
second order will most likely be too dim to see).
Calculate and report the shortest wavelength
(?s) and the longest wavelength
(?L) for the incandescent light. What is the
physical significance of this...
Check all that apply "Light travels in a straight line" is an example of a scientific model. Using models is a common practice in the sciences. Which of the following items below is a valid way to complete the sentence, ''A scientific model " a. might use a diagram b. must be something we can test c. is only a mental image, and does not need to be useful for predicting things d. is useful for making predictions e. must...
4. (10 pts) A double slit interference experiment uses red light (red = 650 nm). has a screen distance of L=1.0 m, and a slit distance of d=1mm. Which of the following would cause the fringe spacing to increase? You may choose more than one. A. Use blue-green light (Ang = 520 nm) B. Use L=1.5 m C. Use a slit size of d=0.5 mm D. Switch to a diffraction grating
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