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

Author Question: A person can see well close up, but cannot do so in the distance. To correct this, lenses that are ... (Read 23 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
on: Jul 28, 2018
A person can see well close up, but cannot do so in the distance. To correct this, lenses that are _____ having a _____ refractive power could be used.
 a. thicker at their center than at the edges, positive
  b. thicker at their center than at the edges, negative
  c. thinner at their center than at the edges, negative
  d. thinner at their center than at the edges, positive

Question 2

Which of the following colors is scattered most readily by small particles in the air?
 a. green
  c. yellow
  b. blue
  d. red


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

briezy

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


natalie2426

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 28, 2018
Thank you!


briezy

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Close-up of a cat's claw, with the quick clearly visible Close-up of a cat's claw, with the quick clearly visible
This girl has a long leg cast, which was applied after surgery to correct her clubfoot. This girl has a long leg cast, which was applied after surgery to correct her clubfoot.
Major moons of Uranus in order of increasing distance (left to right), at their proper relative size Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
Torque is a twisting force equal to the distance from the pivot point times the force applied ... Torque is a twisting force equal to the distance from the pivot point times the force applied ...
A close relationship between greenhouse gas emissions and a country’s gross domestic product A close relationship between greenhouse gas emissions and a country’s gross domestic product
Physical distance versus recombination distance on human male and female chromosome 19 Physical distance versus recombination distance on human male and female chromosome 19
Video: Digestive System Animation

For a complete list of videos, visit our video library