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

Author Question: Parallel rays of light that hit a concave mirror will come together: a. at the focal point. b. at ... (Read 30 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
on: Jul 28, 2018
Parallel rays of light that hit a concave mirror will come together:
 a. at the focal point.
  b. at a point half way to the focal point.
  c. at infinity.
  d. at the center of curvature.

Question 2

What temperature increase is necessary to increase the power radiated from an object by a factor of 16?
 a. 8 K
  c. 100
  b. 2 K
  d. about 68


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nital

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


DelorasTo

  • Member
  • Posts: 548
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas light Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas light
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive (A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Trapping of Light by a Black Hole Trapping of Light by a Black Hole
McBurney point. McBurney point.
A physical therapist helping the patient on parallel bars. A physical therapist helping the patient on parallel bars.
Absorption spectra and light energy Absorption spectra and light energy
Video: Embryonic development - Week 3

For a complete list of videos, visit our video library