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 15 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
Great answer, keep it coming :)

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Edgar Degas, The Glass of Absinthe. Edgar Degas, The Glass of Absinthe.
Use fingertips to apply friction to muscle attachments along inferior length of the clavicle. Use fingertips to apply friction to muscle attachments along inferior length of the clavicle.
Measuring leg length Measuring leg length
Alternative for pass-point test Alternative for pass-point test
Set-Point Theory Set-Point Theory
An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ... An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ...
Video: Acid-base imbalances - compensation of metabolic acidosis and alkalosis

For a complete list of videos, visit our video library