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

Author Question: A metal surface has a work function of 2.50 eV. What is the longest wavelength of light that will ... (Read 146 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
A metal surface has a work function of 2.50 eV.
 
  What is the longest wavelength of light that will eject electrons from the surface of this metal? (1 eV = 1.60  10-19 J, c = 3.00  108 m/s, h = 6.626  10-34 J  s)

Question 2

If you want to store 2.0 mJ of energy in a 10-F capacitor, how much potential do you need to put across it?
 
  A) 5.0 V
  B) 10 V
  C) 15 V
  D) 20 V
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
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


debasdf

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


onetimeuse

  • Newbie
  • *
  • Posts: 1
Reply #4 on: Sep 18, 2022
thank you


« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Supernova Light Curves Supernova Light Curves
Success, You Rock, Achievement, The way we work Success, You Rock, Achievement, The way we work
Clear the tarsals, metatarsals, and toes. Stand at the end of the table, support the plantar surface ... Clear the tarsals, metatarsals, and toes. Stand at the end of the table, support the plantar surface ...
How to apply integration by parts on a single function How to apply integration by parts on a single function
Periodic Function p2 Periodic Function p2
Chloroplast structure and function Chloroplast structure and function
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library