« previous next »

Author Question: Ninety-five percent of light incident on a mirror is reflected. How much light is reflected from ... (Read 181 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Light-mantled Albatrosses regularly dive to feed, and can dive to below 12 m. Light-mantled Albatrosses regularly dive to feed, and can dive to below 12 m.
Light Palpation of Abdomen Light Palpation of Abdomen
An example of a typical incident report. An example of a typical incident report.
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
What is the longest wavelength of light that can cause photoelectron emission fr What is the longest wavelength of light that can cause photoelectron emission fr
Assembly of a к light-chain gene in a B cell Assembly of a к light-chain gene in a B cell
Video: Subunits of DNA And Semi Conservative Replication

For a complete list of videos, visit our video library