Table of Contents
How does EM radiation affect matter?
The main effect radiation has on matter is its ability to ionize atoms to become ions, a phenomenon known as ionization, which is very similar to the photoelectric effect. Radioactive particles or electromagnetic waves with sufficient energy collide with electrons on the atom to knock electrons off the atom.
Do electromagnetic waves use matter?
Waves are not matter. Waves are a form of energy transfer. Mechanical waves, such as sound waves, transfer energy through matter. Electromagnetic waves, such as light waves, can transfer energy both through matter and through space.
What are 3 ways electromagnetic waves might interact with matter?
Three ways that waves may interact with matter are reflection, refraction, and diffraction. Reflection occurs when waves bounce back from a surface that they cannot pass through. Refraction occurs when waves bend as they enter a new medium at an angle and start traveling at a different speed.
How do EM waves work?
Electromagnetic waves are created by the vibration of an electric charge. This vibration creates a wave which has both an electric and a magnetic component. An electromagnetic wave transports its energy through a vacuum at a speed of 3.00 x 108 m/s (a speed value commonly represented by the symbol c).
What are the 5 wave interactions with matter?
These ways that waves may interact with matter are called reflection, refraction, diffraction, and interference.
How do radio waves interact with the atmosphere?
As radio waves enter Earth’s atmosphere from space some of the waves are absorbed by the electrons in the ionosphere while others pass through and are detectable to ground based observers. Higher frequency waves are able to pass through the atmosphere entirely and reach the ground.
How many ways radiation interact with matter?
three interaction
The three interaction mechanisms are the photoelectric effect (or photoelectric absorption), Compton scattering and pair production.
What are the 5 interactions with matter?
Five main interactions can cause attenuation of photons: (1) coherent scattering, (2) photoelectric effect, (3) Compton scattering, (4) pair producion, and (5) photodisintegration.
How does matter and energy interact?
In natural systems, both energy and matter are conserved within a system. This means that energy and matter can change forms but cannot be created or destroyed. Energy and matter are often cycled within a system, and different forms of matter and energy are able to interact.