Electromagnetic Waves Question Preview (ID: 34653)
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Electromagnetic energy travels through space in waves. The electromagnetic spectrum includes all electromagnetic waves, arranged according to frequency and wavelength. Which of these is an example of an electromagnetic wave?
a) radio wave
b) sound wave
c) ocean wave
d) gravitational pull
Electromagnetic radiation is energy that travels in waves. Some examples of electromagnetic radiation are visible light, radio waves, and x-rays. Which statement is true for all forms of electromagnetic radiation?
a) All forms of electromagnetic radiation travel at the same speed in a vacuum.
b) All forms of electromagnetic radiation travel at the same speed in a vacuum
c) All forms of electromagnetic radiation have the same wavelength.
d) All forms of electromagnetic radiation have the same amount of energy in a vacuum.
Electromagnetic radiation is energy that travels in waves. Some examples of electromagnetic radiation are visible light, radio waves, and x-rays. What is true about visible light, radio waves, and x-rays?
a) Visible light, radio waves, and x-rays all have the same energy in a vacuum.
b) Visible light, radio waves, and x-rays all travel at the same speed in a vacuum.
c) Visible light, radio waves, and x-rays all have the same frequency.
d) Visible light, radio waves, and x-rays all have the same wavelength.
Electromagnetic radiation is energy that travels in waves. Two types of electromagnetic waves are infrared waves and ultraviolet waves. Which of these statements describes a property that is shared by infrared waves and ultraviolet waves?
a) Both waves have the same energy.
b) Both waves have the same frequency.
c) Both waves have the same wavelength.
d) Both waves travel at the same speed in a vacuum.
Electromagnetic radiation is energy that travels in waves. Two types of electromagnetic waves are microwaves and gamma rays. Gamma rays have a shorter wavelength than microwaves. Which of these statements is true?
a) Gamma rays travel faster than microwaves in a vacuum.
b) Gamma rays have more energy than microwaves do.
c) Gamma rays have a lower frequency than microwaves do.
d) Gamma rays, but not microwaves, can travel through a vacuum.
Electromagnetic energy travels in waves. These waves can vary in their frequencies and wavelengths. Electromagnetic energy is classified by the length and frequency of its wave. Of the four wave types below, which has the highest frequency?
a) microwaves
b) radio waves
c) infrared waves
d) ultraviolet waves
Electromagnetic energy travels in waves. These waves can vary in their frequencies and wavelengths. Electromagnetic energy is classified by the length and frequency of its wave. Of the four waves types below, which has the lowest frequency?
a) microwaves
b) gamma waves
c) ultraviolet waves
d) visible light waves
Electromagnetic energy is classified by the length and frequency of its wave. Which form of electromagnetic energy has the shortest wavelength?
a) radio waves
b) gamma rays
c) infrared waves
d) ultraviolet waves
Electromagnetic energy is classified by the length and frequency of its wave. Of the four waves types below, which has the longest wavelength?
a) gamma rays
b) x ray waves
c) ultraviolet waves
d) visible light waves
Energy from the sun arrives as electromagnetic radiation with a wide range of wavelengths and frequencies. Which form of electromagnetic radiation has more energy than visible light waves have?
a) microwaves
b) radio waves
c) infrared waves
d) ultraviolet waves
Electromagnetic energy travels in waves. When we describe electromagnetic waves, we often talk about the wave’s length and frequency. Which of these statements accurately describes the relationship between the wavelength and frequency of an electroma
a) If wavelength increases, frequency increases.
b) If frequency decreases, wavelength increases.
c) If frequency remains constant, wavelength increases
d) If wavelength remains constant, frequency increases.
Four of the types of electromagnetic waves are microwaves, radio waves, infrared waves, and visible light waves. Which of these waves has the most energy?
a) microwaves
b) radio waves
c) infrared waves
d) visible light waves
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