​A Device Emits Light at 219

question 55

Multiple Choice

​A device emits light at 219.4 nm.What is the frequency of this radiation?

• A) ​1.37 × 10^-3 Hz
• B) 3.31 × 10²⁶ Hz
• C) 1.37 × 10¹⁵ Hz
• D) 9.07 × 10^-37 Hz
• E) 9.07 × 10^-19 Hz

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