More ultraviolet waves reach earth today because the atmosphere is changing and they do not get filtered out.
ozone layer
Surface waves
No, because to reach the center of the Earth, they need to pass through the outer core. Secondary waves, or S-waves, can't pass through liquids, such as the liquid outer core, so they can't thus even reach the center of the Earth.
s wave
L waves are formed when P&S waves reach the surface.
true
true
true
true
Ultraviolet light does come through the Earth's atmosphere. These are the waves that cause sunburn, and are usually referred to as UV rays.
ozone layer
Ultraviolet rays travel much slower than visible light waves. It takes about 40 years for a UV ray to reach the Earth.
ultraviolet rays
Ultraviolet waves are smaller than light waves.
Ultraviolet waves are part of the Electromagnetic Spectrum which all travel as transverse waves.
There are no such things as "ultraviolet waves" or "homans".
Waves of heat and light, called radiation, travel to earth.