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

Author Question: A seed is 15 mm in front of a convex lens, and the image of the seed is 4.0 mm behind the lens. What ... (Read 107 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
on: Jul 29, 2018
A seed is 15 mm in front of a convex lens, and the image of the seed is 4.0 mm behind the lens. What is the focal length of the lens?
 
  A) 11 mm
  B) 5.5 mm
  C) 3.8 mm
  D) 3.2 mm

Question 2

A sample of ideal monatomic gas is cooled by 50.0C at constant volume by removing 831 J of energy from it. How many moles of gas are in the sample? (R = 8.31 J/mol  K)
 
  A) 2.50 mol
  B) 1.50 mol
  C) 1.33 mol
  D) 1.00 mol


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chocorrol77

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

C


crobinson2013

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 29, 2018
Thank you!


Chocorrol77

  • Sr. Member
  • ****
  • Posts: 313
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Diffusion spectrum MR image of human brain Diffusion spectrum MR image of human brain
Cheetah front and hind feet, as illustrated in Pocock's The Fauna of British India, including C Cheetah front and hind feet, as illustrated in Pocock's The Fauna of British India, including C
The philosophical journey requires self-examination. Your responsibility as a critical thinker is to The philosophical journey requires self-examination. Your responsibility as a critical thinker is to
Compressing the breast between plates provides a better image of breast tissue. Regular mammograms ... Compressing the breast between plates provides a better image of breast tissue. Regular mammograms ...
Cold Front Cold Front
Anatomy of a seed. Left, corn (Zea Mays), a monocot; right, pea (Pisum sativum), a eudicot Anatomy of a seed. Left, corn (Zea Mays), a monocot; right, pea (Pisum sativum), a eudicot
Video: The Lagging Strand in DNA Replication and Replication in Action

For a complete list of videos, visit our video library