Answer:
Microwaves
Infrared Waves
Visible Light
Explanation:
Electromagnetic waves consist of oscillating electric and magnetic field, which vibrate in a direction perpendicular to the direction of motion of the wave (for this reason, they are called transverse waves).
Electromagnetic waves are the only waves that do not need a medium to propagate: in fact, they can travel through a vacuum as well.
Electromagnetic waves are classified into 7 different types depending on their frequency. From highest to lowest frequency, they are:
Gamma rays
X-rays
Ultraviolet
Visible light
Infrared Waves
Microwaves
Radio waves
All the other options are a different type of waves, called 'mechanical waves', therefore they are not electromagnetic waves.
Answer:
Increase the amplitude
Explanation:
The energy conveyed by a wave is directly proportional to the square of its amplitude. Thus; E ∝ A²
This means that increasing the amplitude will lead to an increase in the energy.
Now, the amplitude of a wave is the height of a wave from it's highest point known as the peak, to the lowest point on the wave known as the trough whereas wavelength refers to the length of a wave from one peak to the next.
This means that increasing the amplitude has no effect on the wavelength.
Answer:
Ondas y sonido. Una onda es una perturbación que avanza o que se propaga en un medio material o incluso en el vacío. ... El sonido es un tipo de onda mecánica que se propaga únicamente en presencia de un medio material.
Explanation: