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

Author Question: What is the percent uncertainty in the measurement 2.58 0.15 cm? A) 2.9 B) 5.8 ... (Read 31 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
on: Jul 29, 2018
What is the percent uncertainty in the measurement 2.58  0.15 cm?
 
  A)
 
  2.9
 
  B)
 
  5.8
 
  C)
 
  8.7
 
  D)
 
  12
 
  E)
 
  15

Question 2

A beam of light with a frequency range of 3.01  1014 Hz - 6.10  1014 Hz is incident on a metal surface. If the work function of the metal surface is 2.20 eV, what is the maximum kinetic energy of photoelectrons ejected from this surface?
 
  A)
 
  0.32 eV
  B)
 
  0.21 eV
  C)
 
  0.42 eV
  D)
 
  0.16 eV
  E)
 
  0.48 eV


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

A


Bob-Dole

  • Member
  • Posts: 547
Reply 2 on: Jul 29, 2018
Excellent

JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

There are more bacteria in your mouth than there are people in the world.

For linked genes, recombinant frequencies are less than 50 percent For linked genes, recombinant frequencies are less than 50 percent
Any number of crossovers gives 50 percent recombinants Any number of crossovers gives 50 percent recombinants
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
Measurement lenght of infant Measurement lenght of infant
How to solve simple percent word problems (Part 1) How to solve simple percent word problems (Part 1)
What is the minimum uncertainty in its position? What is the minimum uncertainty in its position?
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library