Author Question: Ninety-five percent of light incident on a mirror is reflected. How much light is reflected from ... (Read 87 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
Ninety-five percent of light incident on a mirror is reflected. How much light is reflected from three mirrors in succession?
 
  A) 81
  B) 86
  C) 90
  D) 95

Question 2

The Moon's reflected image in a lake often appears as a vertical column when the water is
 
  A) perfectly still.
  B) slightly rough.
  C) very rough, churning with waves.



epscape

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

For a complete list of videos, visit our video library