This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A particular sound with large intensity is reduced 1000-fold. What is the decibel ... (Read 50 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
on: Jul 28, 2018
A particular sound with large intensity is reduced 1000-fold. What is the decibel reduction?

Question 2

An electron is accelerated through a potential difference of 25000 V. What is the de Broglie wavelength of the electron (in m)?
 a. 5.9  1012
  b. 6.8  1012
  c. 6.5  1012
  d. 7.8  1012
  e. 5.5  1012


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sailorcrescent

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

30 dB

Answer to Question 2

d


Garrulous

  • Member
  • Posts: 686
Reply 2 on: Jul 28, 2018
Excellent

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Large size can provide a refuge from predators. While young African elephants may be vulnerable to p Large size can provide a refuge from predators. While young African elephants may be vulnerable to p
Wandering Albatrosses are colonial but have large widely spaced territories. Here a pair performs th Wandering Albatrosses are colonial but have large widely spaced territories. Here a pair performs th
Large Yellow Wood Sorrel Large Yellow Wood Sorrel
Start the vehicle’s engine and let run at 1000–1500 RPM. The engine is now running on fuel ... Start the vehicle’s engine and let run at 1000–1500 RPM. The engine is now running on fuel ...
Reed-Sternberg cells are large, abnormal lymphocytes that may contain more than one nucleus. These ... Reed-Sternberg cells are large, abnormal lymphocytes that may contain more than one nucleus. These ...
How does PCA reduce the dimension of a statistical problem? How do you select the reduced ... How does PCA reduce the dimension of a statistical problem? How do you select the reduced ...
Video: Prone Position

For a complete list of videos, visit our video library