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

Author Question: The angle between two plane mirrors that meet at one edge is 45. The change in direction of a ray ... (Read 56 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Jul 28, 2018
The angle between two plane mirrors that meet at one edge is 45. The change in direction of a ray that strikes the first mirror at a 60 angle of incidence when that ray reflects from the second mirror is
 a. 0.
  b. 45
  c. 90
  d. 150
  e. 270

Question 2

Eighty-eight prominent groups of stars in the sky are called the _______________.
 a. constellations
  b. local groups
  c. clusters
  d. galaxies


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juiceman1987

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

a


BrownTown3

  • Member
  • Posts: 564
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

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?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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.

Anatomical terms for location and direction. Anatomical terms for location and direction.
Climate change exerts societal impacts and vice versa Climate change exerts societal impacts and vice versa
4 ways your breasts change after pregnancy "4 تغيّرات تطرأ على ثدييكِ ... 4 ways your breasts change after pregnancy "4 تغيّرات تطرأ على ثدييكِ ...
Calculate the magnitude and direction of the resultant for Calculate the magnitude and direction of the resultant for
When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ... When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ...
Structural comparison of human blood vessels and the direction of blood flow through them Structural comparison of human blood vessels and the direction of blood flow through them
Video: Introduction to Epilepsy

For a complete list of videos, visit our video library