Red light from a distant star enters a telescope and then passes through a diffraction grating. From the resulting diffraction pattern, it is found that the first-order m = 1 bright fringe occurs at an angle of 25.93 degrees away from the axis of the incoming light. The lines of the grating are separated by 1.5 x 10-6 m. The wavelength of the light is O 656 nm 666 nm 639 nm 647 nm 650 nm None of these answers are with 2 nm of the wavelength
Red light from a distant star enters a telescope and then passes through a diffraction grating. From the resulting diffraction pattern, it is found that the first-order m = 1 bright fringe occurs at an angle of 25.93 degrees away from the axis of the incoming light. The lines of the grating are separated by 1.5 x 10-6 m. The wavelength of the light is O 656 nm 666 nm 639 nm 647 nm 650 nm None of these answers are with 2 nm of the wavelength
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Transcribed Image Text:Red light from a distant star enters a telescope and then passes through a
diffraction grating. From the resulting diffraction pattern, it is found that the
first-order m = 1 bright fringe occurs at an angle of 25.93 degrees away from
the axis of the incoming light. The lines of the grating are separated by
1.5 x 10-6 m. The wavelength of the light is
O 656 nm
666 nm
639 nm
647 nm
650 nm
None of these answers are with 2 nm of the wavelength
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