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

Author Question: A person with a near point of 25 cm uses a magnifying lens having a focal length of 10 cm. What is ... (Read 22 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
A person with a near point of 25 cm uses a magnifying lens having a focal length of 10 cm. What is the angular magnification of this lens if the person's eyes are focused at his near point?
 
  A) 2.5 B) 4.5 C) 3.5 D) 1.5

Question 2

What is the rms current through a 2.50-mH coil due to a 110-V rms, 60-Hz source?
 
  A) 0.94 A
  B) 2.5 A
  C) 104 A
  D) 117 A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

adammoses97

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

D


jjjetplane

  • Member
  • Posts: 556
Reply 2 on: Jul 29, 2018
Wow, this really help

isabelt_18

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Four-point gait. Four-point gait.
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 ...
Transplantation of an extra stomach and length of intestine in a rat. Koopmans (1981) implanted an ... Transplantation of an extra stomach and length of intestine in a rat. Koopmans (1981) implanted an ...
Using a magnifying glass Using a magnifying glass
RÜFÜS DU SOL Treat You Better (Official Full Length Video) RÜFÜS DU SOL Treat You Better (Official Full Length Video)
A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel ... A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel ...
Video: What are Taste Receptors? How Does it Work? Animation

For a complete list of videos, visit our video library