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

Author Question: Two mirrors are at right angles to one another. A light ray is incident on the first at an angle of ... (Read 52 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
on: Jul 28, 2018
Two mirrors are at right angles to one another. A light ray is incident on the first at an angle of 30 with respect to the normal to the surface. What is the angle of reflection from the second surface?
 a. 30
  b. 60
  c. 45
  d. 53
  e. 75

Question 2

A light ray is incident on the surface of water (n = 1.33) at an angle of 60 relative to the normal to the surface. The angle of the reflected wave is
 a. 80
  b. 40
  c. 20
  d. 60
  e. 30


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amit

  • Sr. Member
  • ****
  • Posts: 364
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


ereecah

  • Member
  • Posts: 530
Reply 2 on: Jul 28, 2018
:D TYSM

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Changes in light quality with depth: (a) the rich colours on a shallow coral reef; Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
Light-Gathering Power Light-Gathering Power
Trapping of Light by a Black Hole Trapping of Light by a Black Hole
Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ... Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ...
Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ... Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ...
Massage the feet. Finish with light connecting strokes over the entire leg. Redrape the leg. Massage the feet. Finish with light connecting strokes over the entire leg. Redrape the leg.
Video: Neuron structure and function - sensory neurons, association neurons & motor neurons

For a complete list of videos, visit our video library