You have a laser with wavelength (λ) 640 nm. You shine it through a diffraction grating of 400 lines per millimeter. You measure the distance to a screen to be 20.3 cm. You measure the second dot in millimeters from the center dot.
What is the wavelength of the laser light?
_____________________[nanometer].
Use three significant figure or N/A if not enough information is given.
please help and explain thanks!!!!
2007-11-26 05:36:21 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics
Ha... your tutor is mocking you...
You have a laser with wavelength (λ) 640 nm...
What is the wavelength of the laser light?
Hmm... drum roll... 640 nm
2007-11-26 07:24:28 · answer #1 · answered by Paine 6 · 2⤊ 0⤋
You should go back to your physics instructor and ask for an explanation.
2007-11-26 05:40:24 · answer #2 · answered by Ralfcoder 7 · 0⤊ 1⤋