Waves, Sound, and Physical Optics
Which of the following statements best describes electromagnetic waves?
What is the relationship between the electric field, magnetic field, and direction of propagation in an electromagnetic wave?
An electromagnetic wave is traveling in the +z direction. If the electric field vector is oscillating in the +x direction, in which direction is the magnetic field vector oscillating?
Which of the following types of waves can travel through a vacuum?
We can see stars at night because...
Which of the following has the longest wavelength in the electromagnetic spectrum?
Arrange the following electromagnetic waves in order of increasing wavelength: microwaves, visible light, X-rays.
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In medical imaging, which type of electromagnetic wave is commonly used for bone imaging, and why?
Which color of visible light has the shortest wavelength?
Order the colors green, red and blue by decreasing wavelength.