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

Author Question: What type of particle is a proton? (There may be more than one correct choice.) A) meson B) ... (Read 72 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jul 29, 2018
What type of particle is a proton? (There may be more than one correct choice.)
 
  A) meson B) baryon C) nucleon D) lepton E) hadron

Question 2

A lens of focal length 45 mm is mounted on a 35-mm camera. The lens aperture is set at f/2.0 and the shutter speed set at 1/2000 s.
 
  The photographer wants to keep the same exposure (amount of light), but wants to change the f-number to f/8.0 for greater depth of field. What should be the new shutter speed to maintain the same exposure?
  A) 1/4000 s B) 1/8000 s C) 1/500 s D) 1/125 s E) 1/1000 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macmac

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 29, 2018
Answer to Question 1

B, C, E

Answer to Question 2

D


sarasara

  • Hero Member
  • *****
  • Posts: 521
Reply #2 on: Jul 29, 2018
TY


macmac

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Coleman's parabiosis experiments revealed a satiety factor in wild-type mice that was absent or Coleman's parabiosis experiments revealed a satiety factor in wild-type mice that was absent or
Geoffroy's tamarin (Saguinus geoffroyi), also known as the Panamanian, red-crested or rufous-na Geoffroy's tamarin (Saguinus geoffroyi), also known as the Panamanian, red-crested or rufous-na
Correct position when lifting a heavy object off the floor. Correct position when lifting a heavy object off the floor.
Ergonomically correct desk, chair, and keyboard. Ergonomically correct desk, chair, and keyboard.
An embedded particle of something was found on one of the gears, making this pump worthless except ... An embedded particle of something was found on one of the gears, making this pump worthless except ...
Biology multiple choice questions Biology multiple choice questions
Video: Gastroesophageal Reflux Disease (GERD)

For a complete list of videos, visit our video library