eek! please help!?
a diffraction grating with 4525 lines/cm is illuminated by direct sunlight. the first order solar spectrum is spread out on a white screen hanging on a wall opposite the grating. at which angle does the first order maximum for blue light with a wavelength of 422 nm appear? at what angle does the first order maximum for red light with wavelength 655 nm appear?
visible light from a light bulb ranges from 400 nm to 700 nm. when the light is focused on a diffraction grating the entire first order spectrum is seen but none of the second order maximum is seen. what is the maximum spacing between lines on this grating?
2d=lambda*sin(thertha)
put it..u get all the answers
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