Light Has a Frequency of 7

question 33

Multiple Choice

Light has a frequency of 7.21 × 10¹³ hertz. What is its wavelength? The speed of light is 3.00 × 10⁸ m/s.

• A) 2.16 × 10⁹ nm
• B) 2.40 × 10⁵ nm
• C) 4.16 × 10³ nm
• D) 2.40 × 10^-4 nm
• E) 4.16 × 10^-6 nm

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