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 78 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

DylanD1323

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Plant cell water potential. Plant cell water potential.
Conduction of the action potential along an axon. Conduction of the action potential along an axon.
Keep your arms in front of your body as you work. Keep your arms in front of your body as you work.
Meiosis involves two complete divisional operations forming four potential sex cells. Meiosis involves two complete divisional operations forming four potential sex cells.
Breast-Feeding at Work Can Work Breast-Feeding at Work Can Work
Please show all your work (4 marks) Please show all your work (4 marks)
Video: Exocytosis - secretion

For a complete list of videos, visit our video library