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

Author Question: A concave mirror has radius R. When an object is located a distance 2R from the lens, which ... (Read 88 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jul 28, 2018
A concave mirror has radius R. When an object is located a distance 2R from the lens, which describes the image formed?
 a. real, inverted, reduced
  c. virtual, upright, reduced
  b. real, inverted, of equal size
  d. real, inverted, enlarged

Question 2

A metal bar is used to conduct heat. When the temperature at one end is 100C and at the other is 20C, heat is transferred at a rate of 16 J/s. If the temperature of the hotter end is reduced to 60C, what will be the rate of heat transfer?
 a. 4 J/s
  c. 9 J/s
  b. 8 J/s
  d. 12 J/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katieost

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


sarasara

  • Hero Member
  • *****
  • Posts: 521
Reply #2 on: Jul 28, 2018
TY


katieost

  • Sr. Member
  • ****
  • Posts: 358
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Local and long–distance cell communication in animals. Local and long–distance cell communication in animals.
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
Major moons of Uranus in order of increasing distance (left to right), at their proper relative size Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
Using Parallax to Determine Distance Using Parallax to Determine Distance
The sense of taste. Note: taste buds are located on the anterior and posterior portions of the ... The sense of taste. Note: taste buds are located on the anterior and posterior portions of the ...
The Z lens, which was developed by Zaidel to study functional asymmetry in split-brain patients. It ... The Z lens, which was developed by Zaidel to study functional asymmetry in split-brain patients. It ...
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library