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

Author Question: A(n) ______________ is an elementary particle with no charge. a. electron b. neutron c. proton ... (Read 102 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
on: Jul 28, 2018
A(n) ______________ is an elementary particle with no charge.
 a. electron
  b. neutron
  c. proton
  d. atom

Question 2

A camera has a converging lens with a focal length of 56 mm. If the f-number is 2.8, what is the diameter of the lens (in mm)?
 a. 10
  b. 31
  c. 0.50
  d. 20
  e. 50


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Qarqy

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

d


beccaep

  • Member
  • Posts: 535
Reply 2 on: Jul 28, 2018
Gracias!

rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Electron Microscope Images of a Diatom Electron Microscope Images of a Diatom
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
The electron transport chain. The electron transport chain.
A Listing of the Expected Electron Configurations for Some of the Common Elementsa A Listing of the Expected Electron Configurations for Some of the Common Elementsa
(b) Scanning electron microscopy showing a phagocytic cell in the process of phagocytizing bacteria. ... (b) Scanning electron microscopy showing a phagocytic cell in the process of phagocytizing bacteria. ...
Video: Introduction to filtration - filtrate formation and composition

For a complete list of videos, visit our video library