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 41 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
Great answer, keep it coming :)

fatboyy09

  • Member
  • Posts: 358
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
McBurney point. McBurney point.
Decimal Point Place Values Decimal Point Place Values
Light energy from the Sun powers Light energy from the Sun powers
Light micrograph of a live diatom, with chloroplasts visible through the shell Light micrograph of a live diatom, with chloroplasts visible through the shell
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library