AccountingQueen

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About AccountingQueen

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Teaching Since: Jul 2017
Last Sign in: 270 Weeks Ago
Questions Answered: 5502
Tutorials Posted: 5501

Education

  • MBA.Graduate Psychology,PHD in HRM
    Strayer,Phoniex,
    Feb-1999 - Mar-2006

  • MBA.Graduate Psychology,PHD in HRM
    Strayer,Phoniex,University of California
    Feb-1999 - Mar-2006

Experience

  • PR Manager
    LSGH LLC
    Apr-2003 - Apr-2007

Category > Physics Posted 13 Aug 2017 My Price 10.00

The Photoelectric Effect

                                                                                                                                                                

Pre-Lab

Answer the following questions based on the lessons on data and the instructions provided in the Excel worksheet. Use proper complete sentences for your responses.

Review Question

Your Answer

Q1

What is the significance of the slope of the KE vs. Stopping Potential data?

Your answer for Q1 here.

Q2

What is the significance of the y-intercept of the KE vs. Stopping Potential data?

Your answer for Q2 here.

 

Apparatus (Simulation running)

Figure 1: Screen Shot of the Photoelectric Java Simulation on your computer screen

 

(Click to import your pic.)

Caption: Java Simulation for Photoelectric Effect

Notes: Additional information you might add

 

 


Results

Insert a picture of your graph.

Figure 3: Graph of Results
 

Caption: Results of experiment.

First target:    Copper           Work function value = Click here to enter text. eV

Second target:   Zinc       Work function value = Click here to enter text. eV

Third target:   Calcium           Work function value = Click here to enter text. eV

 

 


Analysis and Implications

Answer the following questions based on your experience.

Analysis Question

Your Answer

Q3

How would you describe the mathematical relationship between the stopping potential and the KE?

Your answer for Q3 here

Q4

Which material (that you tested) had the highest work function?

Your answer for Q4 here

Q5

What is the accepted value of Planck’s constant (in eV)?

Your answer for Q5 here

Q6

How do your “measured” values of Planck’s constant compare to the accepted value? (Give your answer as a percent difference.)

Your answer for Q6 here

Q7

How do you think that this photoelectric effect is related to LED lighting?

Your answer for Q7 here

Q8

What is something that you gained (knowledge, experience, awareness, etc.) that you did not have prior to completing the experiment?

Your answer for Q8 here

 

Additional Instructions

·         Convert this document to PDF format and then upload it to the appropriate dropbox.

·         If you experience technical issues importing your images or graphics, or if you have trouble converting the document to PDF format, you will need to get guidance from someone at your home institution. Partial or fragmented documentation and images will not be accepted.

 

 

 

Answers

AccountingQueen
(3)
Status NEW Posted 13 Aug 2017 05:08 PM My Price 10.00

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