« previous next »

Author Question: Which of the following cannot travel in a vacuum? A) a light wave B) a sound wave C) a radio ... (Read 88 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
on: Jul 29, 2018
Which of the following cannot travel in a vacuum?
 
  A) a light wave
  B) a sound wave
  C) a radio wave
  D) all can
  E) none can

Question 2

Compared to ultraviolet waves, the wavelength of infrared waves is
 
  A) shorter.
  B) the same.
  C) longer.


Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

123654777

  • Hero Member
  • *****
  • Posts: 585
Reply #2 on: Jul 29, 2018
TY


Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Structure of an antibody light chain Structure of an antibody light chain
By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground. By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
P wave (SA node initiates atrial depolarization). P wave (SA node initiates atrial depolarization).
Apply effleurage with wave motion to posterior cervical region. Use fingertips to slide along ... Apply effleurage with wave motion to posterior cervical region. Use fingertips to slide along ...
Tsunami Travel Times to Honolulu Tsunami Travel Times to Honolulu
Reflection of light rays Reflection of light rays
Video: Bulk flow - factors that influence bulk flow

For a complete list of videos, visit our video library