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

Author Question: What are the standard units for apparent brightness? A) watts B) joules C) Newtons D) watts ... (Read 95 times)

student77

  • Hero Member
  • *****
  • Posts: 567
on: Jul 27, 2018
What are the standard units for apparent brightness?
 
  A) watts
  B) joules
  C) Newtons
  D) watts per second
  E) watts per square meter

Question 2

Due to absorption of shorter wavelengths by interstellar dust clouds, distant stars appear:
 
  A) bluer.
  B) brighter.
  C) redder.
  D) larger.
  E) to have a higher radial velocity.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bison

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

C


student77

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 27, 2018
TY


Bison

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Galaxies Forming by Combining Smaller Units Galaxies Forming by Combining Smaller Units
General structure of eukaryotic pre-rRNA transcription units General structure of eukaryotic pre-rRNA transcription units
Standard Alcoholic Drink Sizes Standard Alcoholic Drink Sizes
Cumulative Standard Normal Distribution Cumulative Standard Normal Distribution
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
Neurons and glia: Neurons are the basic functional units of the brain Neurons and glia: Neurons are the basic functional units of the brain
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library