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

Author Question: An originally neutral electroscope is briefly touched with a positively charged glass rod. The ... (Read 67 times)

charchew

  • Hero Member
  • *****
  • Posts: 579
on: Jul 29, 2018
An originally neutral electroscope is briefly touched with a positively charged glass rod. The electroscope
 
  A)
 
  remains neutral.
  B)
 
  becomes negatively charged.
  C)
 
  becomes positively charged.
  D)
 
  could become either positively or negatively charged, depending on the time of contact.

Question 2

What is the cutoff frequency for a metal surface that has a work function of 5.42 eV?
 
  A)
 
  1.31  1015 Hz
  B)
 
  2.01  1015 Hz
  C)
 
  3.01  1015 Hz
  D)
 
  5.02  1015 Hz
  E)
 
  6.04  1015 Hz


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


charchew

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 29, 2018
TY


allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

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.

Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b
Pablo Picasso, Guitar, Sheet Music, and Wine Glass. Pablo Picasso, Guitar, Sheet Music, and Wine Glass.
Pilot-scale Glass Distillation Column Pilot-scale Glass Distillation Column
Experimental Apparatus Glass Distillation Column Experimental Apparatus Glass Distillation Column
Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ... Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ...
Glass Beach Beach in Fort Bragg, California Glass Beach Beach in Fort Bragg, California
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library