# Science

2. Which waves have the longest wavelength and lowest energy on the electromagnetic spectrum? (1 point)
a. X-rays
b. infrared
d. gamma rays

1. 👍 0
2. 👎 0
3. 👁 434
1. I think it's a. X-rays

1. 👍 0
2. 👎 0
posted by Ashley
2. Ever see a low frequency radio antenna :) ?

there are radio waves kilometers long.
see:
http://en.wikipedia.org/wiki/Electromagnetic_spectrum

1. 👍 0
2. 👎 0
posted by Damon
3. Look at the chart on the right of that link and the legend beneath it.

1. 👍 0
2. 👎 0
posted by Damon
4. ..........

1. 👍 0
2. 👎 0
5. what process describes the transfer of heat through matter by molecular activity

1. 👍 0
2. 👎 0

1. 👍 0
2. 👎 0
posted by hi

## Similar Questions

1. ### Science HELP!!!!

Which waves have the longest wavelength and the lowest energy on the electromagnetic spectrum? 1. X-rays 2. infrared 3. radio waves 4. gamma rays

asked by Jasmine on December 10, 2013
2. ### science

which waves have the longest wavlength and lowest energy on the electromagnetic spectrum? A. x-rays B. infrared C. radio waves D. gamma rays plz help i have three days to complete this lesson.

asked by wait hold up on April 10, 2019
3. ### Science

Im sorry i am totally stumped What is the main difference between mechanical and electromagnetic waves A. Mechanical waves involve the transfer of energy; electromagnetic waves do not B. Mechanical waves require a medium to travel

asked by help me on April 27, 2016
4. ### Science

1. Which of the following statements about mechanical waves is true? a. mechanical waves require a medium to travel through b. mechanical waves do not have amplitude and wavelength c. mechanical waves do not have frequency d.

asked by Thank you! on May 14, 2018
5. ### Science

What is the main difference between mechanical and electromagnetic waves? A. Mechanical weaves involved transfers energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves do

asked by I need help on March 13, 2017
6. ### science

Which choice correctly describes the waves in the electromagnetic spectrum? The waves within the electromagnetic spectrum are all longitudinal waves which move at the same speed in a vacuum. The waves within the electromagnetic

asked by dianni on January 23, 2019
7. ### Science

Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. Select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to

asked by Maya on March 14, 2017
8. ### Physics HELP!!

1. What is the longest wavelength for standing sound waves in a 133.9cm long tube that is open at both ends? b).What is the second longest wavelength? c).What is the third longest wavelength? d).What is the longest wavelength for

asked by joane on November 30, 2012
9. ### science

Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. Select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to

asked by jessica on April 9, 2018
10. ### Physics

What is the longest wavelength for standing sound waves in a 108.0 cm long tube that is open at both ends? What is the second longest wavelength? What is the third longest wavelength?

asked by Mike on November 25, 2010

More Similar Questions