If 0.025 eV neutrons were fired through a double slit so that the first order interference occurred at 10°, what is the slit spacing?
A)
2.5 × 10-8 m
B)
1.0 × 10-9 m
C)
3.1 × 10-11 m
D)
1.8 × 10-10 m
E)
No answer is correct since neutrons cannot act like waves.
B
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