Find the number of lines

Reference no: EM13239706

White light shines through a diffraction grating and onto a screen. The grating has a spacing of 3.5 um between adjacent lines.

A) What is the number of lines per (mm) for this grating?

B) What is the number of lines per (cm)?

C) How many lines are in the grating if it has a width of 4.5 cm?

D) How far is the grating from the screen if the first order for yellow-green light is seen a distance of 3.7 cm from the center of the screen?

Reference no: EM13239706

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