This topic contains a solution. Click here to go to the answer

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 112 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
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
Answer to Question 1

B

Answer to Question 2

C





 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library