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

Author Question: Suppose you are observing a light bulb. In this context, which of the following is a difference ... (Read 34 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
Suppose you are observing a light bulb. In this context, which of the following is a difference between intrinsic brightness and apparent brightness?
 
  A) The wattage of the light bulb tells you its intrinsic brightness, whereas the apparent brightness of the light bulb depends on its distance from you.
  B) The size of the light bulb tells you its intrinsic brightness, whereas the apparent brightness of the light bulb depends on its wattage.
  C) The distance from the source of the light bulb tells you its intrinsic brightness, whereas the apparent brightness of the light bulb depends on its size.
  D) The visual wavelength of the light bulb tells you its intrinsic brightness, whereas the apparent brightness of the light bulb depends on its distance from a neighboring light bulb.

Question 2

Red dwarfs:
 
  A) lie in the upper left of the Hertzsprung-Russell diagram.
  B) are the biggest stars in the main sequence.
  C) are cool and small with low luminosities.
  D) appear 1000 times larger than the Sun.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

A

Answer to Question 2

C




CharlieWard

  • Member
  • Posts: 578
Reply 2 on: Jul 27, 2018
:D TYSM


pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library