« previous next »

Author Question: What is the wavelength of a monochromatic light beam, where the photon energy is 2.00 eV? (h = 6.63 ... (Read 41 times)

ericka1

  • Hero Member
  • *****
  • Posts: 544
on: Jul 28, 2018
What is the wavelength of a monochromatic light beam, where the photon energy is 2.00 eV? (h = 6.63  10-34 Js, c = 3.00  108 m/s, 1 nm = 10-9 m, and 1 eV = 1.6  10-19 J)
 a. 414 nm
  c. 311 nm
  b. 1243 nm
  d. 622 nm

Question 2

What is the wavelength of a monochromatic light beam, where the photon energy is 4.81  10-19 J? (h = 6.63  10-34 Js, c = 3.00  108 m/s, and 1 nm = 10-9 m)
 a. 354 nm
  c. 787 nm
  b. 414 nm
  d. 398 nm


sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Free energy change during electron transport Free energy change during electron transport
Rich Energy Deposits Rich Energy Deposits
Spinal changes caused by osteoporosis. Use light pressure and gentle stretches only with frail or ... Spinal changes caused by osteoporosis. Use light pressure and gentle stretches only with frail or ...
Absorption spectra and light energy Absorption spectra and light energy
Light beer has about the same amount of alcohol as regular beer Light beer has about the same amount of alcohol as regular beer
Comparing uncontrolled and controlled energy release. Comparing uncontrolled and controlled energy release.
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library