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

Author Question: If a virtual image is formed 8.00 cm along the principal axis from a convex mirror of focal length ... (Read 77 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
on: Jul 28, 2018
If a virtual image is formed 8.00 cm along the principal axis from a convex mirror of focal length 15.0 cm, how far is the object from the mirror?
 a. 30.0 cm
  c. 3.00 cm
  b. 6.00 cm
  d. 17.1 cm

Question 2

Two stars, A and B, have the same emissivity, but the radii and surface temperatures are different with RA = 2 RB, and TA = 0.5 TB. Assuming the temperature of space to be negligible, which star radiates the most energy per unit time?
 a. Star A
  b. Star B
  c. Both radiate the same amount of energy per unit time.
  d. More information is needed in order to make a determination.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ashely1112

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


ereecah

  • Member
  • Posts: 530
Reply 2 on: Jul 28, 2018
Wow, this really help

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the
The Secondary Mirror Does Not Create a Hole in the Image The Secondary Mirror Does Not Create a Hole in the Image
Lilly Martin Spencer’s Young Husband: First Marketing (1854). Note that passers-by are amused at thi Lilly Martin Spencer’s Young Husband: First Marketing (1854). Note that passers-by are amused at thi
How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
Rotating a matrix along the x-axis multiplication Rotating a matrix along the x-axis multiplication
The hypothalamic–pituitary–adrenal axis The hypothalamic–pituitary–adrenal axis
Video: Virtual Tour of the Eye Animation

For a complete list of videos, visit our video library