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7. A helium-cadmium laser emits blue light at a wavelength of 441.6 nm. Assume this light is incident on a diffraction grating of 5500 lines per centimeter. Determine the angle at which one would observe the second order maximum. A. 12° B. 19° C. 29° D. 42° 8. Refer to the diffraction grating in question #7. If a second blue laser (this time an Argon-ion laser, with a wavelength greater than 441.6 nm) is also incident on the grating along with the original laser, and the angular difference in the first order maxima of the two wavelengths is 0.5°, determine the wavelength of the Argon- ion laser. A. 445 nm B. 457 nm C. 470 nm D. 481nm

7. A helium-cadmium laser emits blue light at a wavelength of 441.6 nm. Assume this light is incident on a diffraction grating of 5500 lines per centimeter. Determine the angle at which one would observe the second order maximum. A. 12° B. 19° C. 29° D. 42° 8. Refer to the diffraction grating in question #7. If a second blue laser (this time an Argon-ion laser, with a wavelength greater than 441.6 nm) is also incident on the grating along with the original laser, and the angular difference in the first order maxima of the two wavelengths is 0.5°, determine the wavelength of the Argon- ion laser. A. 445 nm B. 457 nm C. 470 nm D. 481nm

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7. A helium-cadmium laser emits blue light at a wavelength of 441.6 nm. Assume this light is incident on a diffraction grating of 5500 lines per centimeter. Determine the angle at which one would observe the second order maximum. A. 12° B. 19° C. 29° D. 42° 8. Refer to the diffraction grating in question #7. If a second blue laser (this time an Argon-ion laser, with a wavelength greater than 441.6 nm) is also incident on the grating along with the original laser, and the angular difference in the first order maxima of the two wavelengths is 0.5°, determine the wavelength of the Argon- ion laser. A. 445 nm B. 457 nm C. 470 nm D. 481nm
Transcribed Image Text:7. A helium-cadmium laser emits blue light at a wavelength of 441.6 nm. Assume this light is incident on a diffraction grating of 5500 lines per centimeter. Determine the angle at which one would observe the second order maximum. A. 12° B. 19° C. 29° D. 42° 8. Refer to the diffraction grating in question #7. If a second blue laser (this time an Argon-ion laser, with a wavelength greater than 441.6 nm) is also incident on the grating along with the original laser, and the angular difference in the first order maxima of the two wavelengths is 0.5°, determine the wavelength of the Argon- ion laser. A. 445 nm B. 457 nm C. 470 nm D. 481nm
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