« previous next »

Author Question: Which statement about thin lenses is correct? In each case, we are considering only a single lens. ... (Read 31 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
Which statement about thin lenses is correct? In each case, we are considering only a single lens.
 
  A) A converging lens always produces a real inverted image.
  B) A diverging lens always produces a virtual inverted image.
  C) A converging lens sometimes produces a real erect image.
  D) A diverging lens always produces a virtual erect image.
  E) A diverging lens produces a virtual erect image only if the object is located within the focal point of the lens.

Question 2

A neutral hollow spherical conducting shell of inner radius 1.00 cm and outer radius 3.00 cm has a +2.00-C point charge placed at its center. Find the surface charge density (a) on the inner surface of the shell.
 
  (b) on the outer surface of the shell.


AaaA

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

(a) -1590 C/m2 (b) +177 C/m2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Mendel's analyses of single-factor crosses Mendel's analyses of single-factor crosses
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
The correct statement about hormones-insulin and glucagon The correct statement about hormones-insulin and glucagon
If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ... If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ...
Correct wrist position while performing compression. A. Correct wrist position for compression ... Correct wrist position while performing compression. A. Correct wrist position for compression ...
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ... Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library