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

Author Question: A photocathode whose work function is 2.5 eV is illuminated with white light that has a continuous ... (Read 52 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Jul 29, 2018
A photocathode whose work function is 2.5 eV is illuminated with white light that has a continuous wavelength band from 360 nm to 700 nm. The stopping potential for this white light illumination is closest to:
 
  A) 0.94 V
  B) 0.85 V
  C) 1.0 V
  D) 1.1 V
  E) 1.2 V

Question 2

The power rating of a 400- resistor is 0.800 W. (a) What is the maximum voltage that can be applied across this resistor without damaging it? (b) What is the maximum current this resistor can draw without damaging it?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JYan

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

(a) 17.9 V (b) 44.7 mA


melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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 strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
White Snakeroot White Snakeroot
This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi
How to sketch a graph of a function using calculus only (Part 3) How to sketch a graph of a function using calculus only (Part 3)
Exponential and log function Exponential and log function
A small 355-g box hangs from one end of a thin light string that goes over a frictionless ... A small 355-g box hangs from one end of a thin light string that goes over a frictionless ...
Video: Pasteur's Experiment

For a complete list of videos, visit our video library