« previous next »

Author Question: A ray of light hits a flat surface at an angle and is diffusely reflected. At what angle is it ... (Read 124 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
on: Jul 28, 2018
A ray of light hits a flat surface at an angle  and is diffusely reflected. At what angle is it reflected?
  1.
  2. 2
  3.
  4. unknown

Question 2

Einstein's theory of the photoelectric effect treats light as photons. According to this theory,
  1.all photons have the same energy.
  2.photons that move faster have more energy.
  3.photons with double the frequency have double the energy.
  4.photons with double the frequency have half the energy.


matt

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 28, 2018
Answer to Question 1

4

Answer to Question 2

3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Examples of structures in which extensive surface area is important for function. Examples of structures in which extensive surface area is important for function.
Parallel Light Rays from Distant Objects Parallel Light Rays from Distant Objects
T cells bound to fluorescence-tagged antibodies to two cell-surface proteins are T cells bound to fluorescence-tagged antibodies to two cell-surface proteins are
Telescopic View of the Lunar Surface Telescopic View of the Lunar Surface
Assembly of a к light-chain gene in a B cell Assembly of a к light-chain gene in a B cell
Major Climate Zones and Surface Currents Major Climate Zones and Surface Currents
Video: Introduction to Eating Disorders

For a complete list of videos, visit our video library