AP® Physics 1 & 2

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Difficult

Highest Order Observed

APPH12-XKO6MO

What is the highest-order bright fringe that can be observed when the light of wavelength $600\text{ nm}$ passes through a diffraction grating in which adjacent slits are spaced $0.004\text{ mm}$ apart?

A

$1$

B

$6$

C

$7$

D

$15$