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 56 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
Thanks for the timely response, appreciate it

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

In the communication technique of collaborating, the nurse sends the message that the nurse and pati In the communication technique of collaborating, the nurse sends the message that the nurse and pati
The Light Curve of a Nova The Light Curve of a Nova
Transformation of Exponential Function Transformation of Exponential Function
Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ... Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ...
The method of Land’s (1977) color-vision experiments. Subjects viewed Mondrians illuminated by ... The method of Land’s (1977) color-vision experiments. Subjects viewed Mondrians illuminated by ...
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Video: Corpus Callosum Animation

For a complete list of videos, visit our video library