very stuck on a question - please help.
In the spectrum of the element strontium there's a red line, wavelenth 600 nm.
When light from a strontium source is passed through a diffraction grating with 5.0 x 10^5 lines/metre, what is the angle in degrees at which the second order red line is observed?
When light from a strontium source is passed through a diffraction grating with 5.0 x 10^5 lines/metre, what is the angle in degrees at which the second order red line is observed?
Original post by Kolasinac138
In the spectrum of the element strontium there's a red line, wavelenth 600 nm.
When light from a strontium source is passed through a diffraction grating with 5.0 x 10^5 lines/metre, what is the angle in degrees at which the second order red line is observed?
When light from a strontium source is passed through a diffraction grating with 5.0 x 10^5 lines/metre, what is the angle in degrees at which the second order red line is observed?
You need to explain what you don't understand and how far you've got with this yourself.
Do you know any formula for the diffraction grating that includes this angle, wavelength and the diffraction grating line spacing?
If so plug in the numbers.
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