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How are radio waves formed?
Radio waves are a type of electromagnetic radiation that are emitted by accelerating electric charges. When electrons within an antenna are oscillated or accelerated, they create electromagnetic waves at radio frequencies. These waves then propagate through space and can be received by devices like radios or antennas.
How are waves formed and how do they shape coastal areas?
Waves are formed by wind blowing across the surface of the water, creating ripples that develop into waves. When waves approach the shore, they interact with the coastline, shaping it through erosion and deposition. Stronger waves can erode cliffs and create sea caves, while deposition of sediment from waves can form beaches and sandbars.
How are wave cut platforms formed?
Wave cut platforms are formed through the erosional action of waves on a rocky coastline. As waves pound against the rock over time, they wear it down and create a flat and level surface. This process is aided by factors such as the presence of softer rock and the abrasion from sediment and debris carried by the waves.
Where are there no P waves or S waves?
In the Earth's outer core, which is composed of molten iron and nickel, seismic waves (P and S waves) are not able to travel through it due to its liquid state. This causes a shadow zone on the opposite side of the Earth from a seismic event, where P waves are completely deflected and S waves are not detected.
What are P and S waves also called?
there are 3 types of shock waves produced by an earthquake:the P waves which is known as the (primary or compression) waves are the first to arrive at the recording station, p waves are formed when matter in the rocks is pushed together by the earth's movement. they can travel through solids and liquids.the S waves which is known as the (secondary )waves are the second waves to arrive at the recording station. this waves are also called the shear waves. these waves are formed by the sideways motion of matter, it can only travel through solids.BSecondary waves are also known as shear waves and primary waves are also known as pressure waves.
