A certain part of the electromagnetic spectrum ranges from 200 nm to 400 nm.
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A certain part of the electromagnetic spectrum ranges from 200 nm to 400 nm.

[From: ] [author: ] [Date: 11-07-07] [Hit: ]
because of format problems.f = 3e8 / 200 nm = 1.5e15 or 1........
What is the highest frequency associated with this portion of the spectrum?
A)7.50 × 1014 Hz
B)7.50 × 1015 Hz
C)1.50 × 1015 Hz
D)7.50 × 1013 Hz
E)1.50 × 1014 Hz

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none of your answers are correct, because of format problems.

f = 3e8 / 200 nm = 1.5e15 or 1.5×10^15

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