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Questions and Answers
What are the types of EMR included in the electromagnetic spectrum?
What are the types of EMR included in the electromagnetic spectrum?
- Infrared, (visible) light, ultraviolet, X-rays, and gamma rays
- Radio waves, microwaves, infrared, (visible) light, ultraviolet, X-rays, and gamma rays (correct)
- Sound waves, ultraviolet, X-rays, and gamma rays
- Radio waves, infrared, ultraviolet, and gamma rays
What are electromagnetic waves according to classical understanding?
What are electromagnetic waves according to classical understanding?
- Synchronized oscillations of gravitational and magnetic fields
- Synchronized oscillations of sound and light waves
- Synchronized oscillations of electric and magnetic fields (correct)
- Random oscillations of electric and magnetic fields
In which type of media do the oscillations of the two fields in electromagnetic waves occur?
In which type of media do the oscillations of the two fields in electromagnetic waves occur?
- Heterogeneous, isotropic media
- Homogeneous, anisotropic media
- Heterogeneous, anisotropic media
- Homogeneous, isotropic media (correct)
At what speed do electromagnetic waves travel in a vacuum?
At what speed do electromagnetic waves travel in a vacuum?
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How are the oscillations of the two fields in electromagnetic waves oriented in relation to each other and the direction of energy and wave propagation?
How are the oscillations of the two fields in electromagnetic waves oriented in relation to each other and the direction of energy and wave propagation?
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