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

Author Question: A lens is used as a magnifier. Which of the following statements is incorrect? a. The focal length ... (Read 52 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
A lens is used as a magnifier. Which of the following statements is incorrect?
 a. The focal length of the lens must be negative.
  b. The magnification is greatest when the eye focuses at the near point.
  c. The refractive power of the lens is positive.
  d. The lens is convex.

Question 2

A magnifier uses a:
 a. diverging lens to form a real image.
  b. diverging lens to form a virtual image.
  c. converging lens to form a real image.
  d. converging lens to form a virtual image.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Harbringer

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

A

Answer to Question 2

D




sarasara

  • Member
  • Posts: 521
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review


cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

For a complete list of videos, visit our video library