All Flashcards
What happens when an electromagnetic wave encounters a medium?
It can be absorbed, reflected, refracted, or transmitted, depending on the properties of the medium and the wave's frequency.
What is the effect of increasing the frequency of an electromagnetic wave?
Its wavelength decreases, and its energy increases.
What is the result of oscillating electric and magnetic fields?
The creation and propagation of an electromagnetic wave.
What happens when electromagnetic waves travel through a vacuum?
They propagate at the speed of light (approximately m/s).
What is the effect of an object absorbing electromagnetic radiation?
The object's internal energy and temperature increase.
What are electromagnetic waves?
Oscillating electric and magnetic fields that propagate through space.
Define transverse wave.
A wave where the oscillations are perpendicular to the direction of energy transfer.
What is a plane wave?
A wave with flat wave fronts having constant phase.
Define wavelength.
The distance between successive crests of a wave.
What is the electromagnetic spectrum?
The range of all types of electromagnetic radiation.
What is the effect of oscillating electric and magnetic fields?
The creation and propagation of electromagnetic waves.
What happens when electromagnetic waves encounter a medium?
They can be absorbed, reflected, or refracted.
What is the effect of shorter wavelength on electromagnetic radiation?
Higher frequency and higher energy.
What happens when visible light passes through a prism?
It is separated into its constituent colors (ROY G. BIV) due to refraction.
What is the effect of increasing the frequency of an electromagnetic wave?
It increases the energy of the wave.