This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A stopping potential of 3.2 V is needed for radiation whose wavelength is 200 nm. What is the work ... (Read 79 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
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?

◦
2 × 1025

◦
2 × 1021

◦
3 × 1018

◦
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?

◦
4.0

◦
3.0

◦
5.0

◦
6.0

◦
2.0
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by LaDunn on Aug 10, 2020

allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
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.
Answer Preview
Only 25% of students answer this correctly


LaDunn

  • Member
  • Posts: 526
Reply 2 on: Aug 10, 2020
Thanks for the timely response, appreciate it

amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Intensity and Wavelengths of Emitted Radiation Intensity and Wavelengths of Emitted Radiation
Changes in Radiation-Absorbing Gases Changes in Radiation-Absorbing Gases
Potential energy Vs. Kinetic energy Potential energy Vs. Kinetic energy
"No Oven Needed" Energy Bars Try this recipe as an inexpensive alternative to commercial ... "No Oven Needed" Energy Bars Try this recipe as an inexpensive alternative to commercial ...
An automobile engine provides 524 Joules of work to push the pistons and generates 2160 Joules ... An automobile engine provides 524 Joules of work to push the pistons and generates 2160 Joules ...
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library