new quiz 1 Flashcards
(18 cards)
What is the electromagnetic spectrum?
The range of EM waves
What is the speed of electromagnetic waves in a vacuum?
3 × 10⁸ m/s
What happens when electromagnetic waves change speed in a different medium?
Refraction
What is the relationship between wavelength and frequency in terms of electromagnetic waves
inversely related
Order the types of electromagnetic waves from longest to shortest wavelength:
1️⃣ Radio waves
2️⃣ Microwaves
3️⃣ Infrared
4️⃣ Visible light
5️⃣ Ultraviolet
6️⃣ X-rays
7️⃣ Gamma rays
Which type of electromagnetic wave comes after violet in the spectrum?
Ultraviolet
Which type of electromagnetic wave comes before red in the spectrum?
Infrared
What are the three types of electromagnetic waves that can be ionizing?
Ultraviolet, X-rays, Gamma rays
What process can cause gamma rays to be emitted?
Radioactive decay
What is produced when electrons drop down energy levels?
Visible light, UV, X-rays
Which type of electromagnetic wave is generated by vibrating molecular bonds?
Infrared
What 3 things can electromagnetic waves do?
reflection,absorption and trasnmission
How are microwaves and radio waves related?
both used in communication
Order the colors of visible light from longest to shortest wavelength:
1️⃣ Red
2️⃣ Orange
3️⃣ Yellow
4️⃣ Green
5️⃣ Blue
6️⃣ Indigo
7️⃣ Violet
What part of the elctromagnetic spectrum can humans detect?
visible light
How do electromagnetic waves travel?
at different speeds in different mediums
what speed do electromagnetic waves travel in a vacuum?
all the same
What type of waves are electromagnetic waves
transverse
