This topic contains a solution. Click here to go to the answer

Author Question: A person can see well close up, but cannot do so in the distance. To correct this, lenses that are ... (Read 48 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
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
Answer to Question 1

C

Answer to Question 2

B




briezy

  • Sr. Member
  • ****
  • Posts: 347

 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

For a complete list of videos, visit our video library