« previous next »

Author Question: What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 0.20 ... (Read 107 times)

theo

  • Hero Member
  • *****
  • Posts: 698
on: Jul 28, 2018
What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 0.20 m?

Question 2

What is the maximum kinetic energy (in eV) of a photoelectron emitted from a surface whose work function is 5.0 eV when illuminated by a light whose wavelength is 200 nm?
 a. 1.9
  b. 1.2
  c. 3.1
  d. zero
  e. 6.2


sailorcrescent

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 28, 2018
Answer to Question 1

1.7  103 Hz

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

theo

  • Hero Member
  • *****
  • Posts: 698
Reply #2 on: Jul 28, 2018
TY


sailorcrescent

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Wave Rock Formation Wave Rock Formation
Stereo Image taken by NASA STEREO Probes launched in 2006; utilizing two Spacecrafts to image the Su Stereo Image taken by NASA STEREO Probes launched in 2006; utilizing two Spacecrafts to image the Su
Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading. Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading.
Calculate the Wavelength Calculate the Wavelength
According to the Balmer-Rydberg equation, electromagnetic radiation with wavelength λ = 486.1 ... According to the Balmer-Rydberg equation, electromagnetic radiation with wavelength λ = 486.1 ...
Wavelike properties of sound Wavelike properties of sound
Video: Protein catabolism - deamination

For a complete list of videos, visit our video library