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

Author Question: A 0.640-m long gas column is open at one end and closed at the other. What is the fundamental ... (Read 39 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Jul 29, 2018
A 0.640-m long gas column is open at one end and closed at the other. What is the fundamental resonant frequency of the air column if the speed of sound in the air is 340 m/s?
 
  A)
 
  432 Hz
 
  B)
 
  198 Hz
 
  C)
 
  266 Hz
 
  D)
 
  669 Hz
 
  E)
 
  133 Hz

Question 2

What wavelength corresponds to the n = 2  n = 1 transition in singly-ionized helium?
 
  A)
 
  15.2 nm
  B)
 
  22.8 nm
  C)
 
  4.56 nm
  D)
 
  11.4 nm
  E)
 
  30.4 nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meryzewe

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

E


BrownTown3

  • Hero Member
  • *****
  • Posts: 564
Reply #2 on: Jul 29, 2018
TY


meryzewe

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

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?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

The U.S. Long-Term Ecological Research (LTER) network. The U.S. Long-Term Ecological Research (LTER) network.
Tactile Fremitus, Using Ulnar Aspect of Closed Fist Tactile Fremitus, Using Ulnar Aspect of Closed Fist
The opening of the throttle plate can be delayed as long as 30 milliseconds (0.030 sec) to allow ... The opening of the throttle plate can be delayed as long as 30 milliseconds (0.030 sec) to allow ...
Cut view of long bone. Cut view of long bone.
Hold baby’s hands and (A) cross arms over chest and then (B) open out to the sides. Repeat several ... Hold baby’s hands and (A) cross arms over chest and then (B) open out to the sides. Repeat several ...
Apply long effleurage stroke to entire arm-hand to shoulder. Brush off from shoulder to hand to ... Apply long effleurage stroke to entire arm-hand to shoulder. Brush off from shoulder to hand to ...
Video: Cell mediated immune response to a viral infection Animation

For a complete list of videos, visit our video library