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

Author Question: What is the focal length of a magnifying glass that produces an angular magnification of 7.0 x when ... (Read 113 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jul 29, 2018
What is the focal length of a magnifying glass that produces an angular magnification of 7.0 x when used by a person with a near point at 28 cm?
 
  A) 2.0 cm
  B) 3.0 cm
  C) 4.0 cm
  D) 5.0 cm
  E) 6.0 cm

Question 2

A magnifying lens has a focal length of 10 cm. A person has a near point of 25 cm and a far point at infinity. What is the angular magnification of the lens for that person when their eyes are focused at infinity?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

Great help.


V@ndy87

  • Hero Member
  • *****
  • Posts: 571
Reply #2 on: Jul 29, 2018
Thanks


brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Everyone has one nostril that is larger than the other.

Close-up of the underside of a gecko's foot as it walks on vertical glass Close-up of the underside of a gecko's foot as it walks on vertical glass
Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a Diabetes mellitus. The metabolic disease diabetes mellitus, with symptoms of polydipsia, polyuria, a
A Hall-effect sensor produces a digital on-off voltage signal whether it is used with a blade or a ... A Hall-effect sensor produces a digital on-off voltage signal whether it is used with a blade or a ...
The relationship between the height of the firing line and length of the spark line can be ... The relationship between the height of the firing line and length of the spark line can be ...
The amount each injector is able to flow is displayed in glass cylinders are each injector for a ... The amount each injector is able to flow is displayed in glass cylinders are each injector for a ...
What is the length of the staircase? What is the length of the staircase?
Video: Type of Cell Junctions - Desmosome, Hemidesmosomes and Gap Junctions

For a complete list of videos, visit our video library