« previous next »

Author Question: Electrons emitted when light strikes the surface of a metal is a. photon emission b. photon ... (Read 115 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jul 28, 2018
Electrons emitted when light strikes the surface of a metal is
 a. photon emission
  b. photon absorption
  c. the photoelectric effect
  d. a laser
  e. an emission spectrum

Question 2

UPC price scanners at supermarket checkouts use laser holography to read the bar codes because the packages are three dimensional.
  Indicate whether the statement is true or false


brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

haleyc112

  • Hero Member
  • *****
  • Posts: 600
Reply #2 on: Jul 28, 2018
Thanks


brittrenee

  • Sr. Member
  • ****
  • Posts: 321
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Absorbance of Light by Rods and Cones Absorbance of Light by Rods and Cones
Development of the light microscope Development of the light microscope
Gray Matter Development over the Surface of the Cortex Gray Matter Development over the Surface of the Cortex
Observed global land and ocean surface temperature anomalies since 1850 Observed global land and ocean surface temperature anomalies since 1850
Body Wave and Surface Wave Travel Body Wave and Surface Wave Travel
Speed of Light in Different Mediums Speed of Light in Different Mediums
Video: Graded potentials - electrical characteristics and types

For a complete list of videos, visit our video library