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

Author Question: One reason for the higher pitch of your voice after you've inhaled some helium is that sound travels ... (Read 29 times)

azncindy619

  • Hero Member
  • *****
  • Posts: 562
on: Jul 29, 2018
One reason for the higher pitch of your voice after you've inhaled some helium is that sound travels
 
  A) slower in helium than in air.
  B) faster in helium than in air.
  C) the same speed in helium but with a longer wavelength.

Question 2

Refraction of sound can occur in
 
  A) air.
  B) water.
  C) both of these
  D) neither of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


azncindy619

  • Member
  • Posts: 562
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Longer regions have more crossovers and thus higher recombinant frequencies Longer regions have more crossovers and thus higher recombinant frequencies
Nebulizer. The nebulizer converts a liquid medication to a mist that is easily inhaled. A face mask, Nebulizer. The nebulizer converts a liquid medication to a mist that is easily inhaled. A face mask,
Evidence that Light Travels at a Finite Speed Evidence that Light Travels at a Finite Speed
Higher-Order Conditioning Higher-Order Conditioning
Newborns recognize their mother's voice Newborns recognize their mother's voice
If 2.00 g of helium gas and 4.72 g of oxygen gas are mixed together, what is the mole fraction ... If 2.00 g of helium gas and 4.72 g of oxygen gas are mixed together, what is the mole fraction ...
Video: Male Reproductive System - Testosterone

For a complete list of videos, visit our video library