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

Author Question: A person having a near point of 25 cm uses a magnifying glass with a focal length of 10 cm. What is ... (Read 46 times)

kodithompson

  • Hero Member
  • *****
  • Posts: 566
on: Jul 29, 2018
A person having a near point of 25 cm uses a magnifying glass with a focal length of 10 cm. What is the angular magnification of the glass for that person when her eyes are focused at infinity?
 
  A) 1.5
  B) 2.5
  C) 3.5
  D) 4.5

Question 2

A very long straight current-carrying wire produces a magnetic field of 20 mT at a distance d from the wire. To measure a field of 5 mT due to this wire, you would have to go to a distance from the wire of
 
  A) 16d.
  B) 8d.
  C) 4d.
  D) 2d.
  E) d .


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ghepp

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

C


kodithompson

  • Member
  • Posts: 566
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

The world’s longest glass-bottomed bridge The world’s longest glass-bottomed bridge
Three-point gait. Three-point gait.
A 6-point socket fits the head of a bolt or nut on all sides. A 12-point socket can round off the ... A 6-point socket fits the head of a bolt or nut on all sides. A 12-point socket can round off the ...
Is this glass half empty or half full? Is this glass half empty or half full?
Find the length of DE to one decimal place Find the length of DE to one decimal place
Constructing a Three-Point Recombination Map Constructing a Three-Point Recombination Map
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library