A Line in the Spectrum of Atomic Mercury Has a Wavelength

question 126

Multiple Choice

A line in the spectrum of atomic mercury has a wavelength of 254 nm.When mercury emits a photon of light at this wavelength,the frequency of this light is

• A)8.47 \(\times\) 10^-16 s^-1
• B)7.82 \(\times\)10^-19 s^-1
• C)1.18 \(\times\) 10¹⁵ s^-1
• D)76.1 s^-1
• E)none of these

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