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

Author Question: The near point of a farsighted person is 65 cm. What power contact lens must he use to correct this ... (Read 36 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
The near point of a farsighted person is 65 cm. What power contact lens must he use to correct this problem and be able to read a book at a normal near point of 25 cm?
 
  A) -4.2 diopters B) +4.2 diopters C) -2.4 diopters D) -2.5 diopters E) +2.5 diopters

Question 2

An 18-mm wide diffraction grating has rulings of 880 lines per mm. Monochromatic light of 590 nm wavelength is incident normally on the grating.
 
  What is the largest angle, measured from the central bright spot, at which an intensity maximum is formed?
  A) 23 B) 25 C) 31 D) 29 E) 27
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 29, 2018
Thanks


sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Photograph of a person with a cataract in the right eye. Photograph of a person with a cataract in the right eye.
Care must be taken in handling bodily fluids to prevent the transfer of infectious agents through co Care must be taken in handling bodily fluids to prevent the transfer of infectious agents through co
Correct use of a fire extinguisher Correct use of a fire extinguisher
How to find the point of intersection of two straight lines by graphing How to find the point of intersection of two straight lines by graphing
Major marma point locations. Major marma point locations.
Solar power in Nunavut Solar power in Nunavut
Video: Structures that affect circulation - kidneys, blood volume and venous tone

For a complete list of videos, visit our video library