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Author Question: A stopping potential of 3.2 V is needed for radiation whose wavelength is 200 nm. What is the work ... (Read 81 times)

LaDunn

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on: Aug 10, 2020

Question 1

A solid state pulsed laser has an energy of 400 mJ per pulse. If its wavelength is 1.06 × 10−6 m, how many photons are in each pulse?

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2 × 1025

◦
2 × 1021

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3 × 1018

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6 × 1038

◦
2 × 1018


Question 2

A stopping potential of 3.2 V is needed for radiation whose wavelength is 200 nm. What is the work function (in eV) of the material?

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4.0

◦
3.0

◦
5.0

◦
6.0

◦
2.0
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by LaDunn on Aug 10, 2020

allisonblackmore

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Reply #1 on: Aug 10, 2020
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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LaDunn

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Reply 2 on: Aug 10, 2020
Wow, this really help

dawsa925

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Reply 3 on: Yesterday
Gracias!

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