« 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 29 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?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Slow-Wave Sleep and Learning Slow-Wave Sleep and Learning
Look-Alike and Sound-Alike Drug Names Look-Alike and Sound-Alike Drug Names
After verifying that the tester is capable of correctly reading the air frequency, gasoline is ... After verifying that the tester is capable of correctly reading the air frequency, gasoline is ...
Cosine vs. Sine Wave Cosine vs. Sine Wave
Frequency distribution of phenotypes from the possible offspring in Figure 5.7. Height of the offspr Frequency distribution of phenotypes from the possible offspring in Figure 5.7. Height of the offspr
Craig David, MNEK - Who You Are (Preditah Remix) That Garage Sound 129 (New UKG) Craig David, MNEK - Who You Are (Preditah Remix) That Garage Sound 129 (New UKG)
Video: Hormonal regulation of blood pressure - RAA system

For a complete list of videos, visit our video library