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 125 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?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

A small sample of the great diversity of seed sizes and shapes. A small sample of the great diversity of seed sizes and shapes.
Thyroid scan. The right image is the data from a thyroid scan, printed on a superimposed map of the Thyroid scan. The right image is the data from a thyroid scan, printed on a superimposed map of the
a) When standing, keep your weight over your front leg. b) Avoid placing your foot under the table. ... a) When standing, keep your weight over your front leg. b) Avoid placing your foot under the table. ...
Occluded front Occluded front
This image shows a normal third-trimester fetal brain This image shows a normal third-trimester fetal brain
How a seed forms How a seed forms
Video: Cytotoxic T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library