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Author Question: A line in the spectrum of atomic mercury has a wavelength of 258 nm. When mercury emits a photon of ... (Read 31 times)

lak

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on: Mar 21, 2021

Question 1

A laser used in some laser pointers has a wavelength of 405 nm. What is the frequency of this light in hertz (s-1)?

◦ 7.41 × 105 s-1
◦ 1.35 × 10-13 s-1
◦ 1.35 × 10-6 s-1
◦ 7.41 × 1014 s-1
◦ 1.22 × 102 s-1

Question 2

A line in the spectrum of atomic mercury has a wavelength of 258 nm. When mercury emits a photon of light at this wavelength, the frequency of this light is:

◦ 8.61 × 10–16 s–1

​


◦ 7.70 × 10–19 s–1

​


◦ 1.16 × 1015 s–1

​


◦ 77.3 s–1

​


◦ none of these are correct
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Marked as best answer by lak on Mar 21, 2021

Christopher

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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lak

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Reply 2 on: Mar 21, 2021
:D TYSM

ttt030911

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Reply 3 on: Yesterday
Excellent

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