Primary waves (P-waves) are compressional waves that are longitudinal in nature. P-waves are pressure waves that travel faster than other waves through the earth to arrive at seismograph stations first, hence the name "Primary".
Secondary waves cause the rocks they pass through to change in shape. These waves are the second fastest traveling seismic waves (after primary waves) and can travel through solids but not through liquids or gases. Also called shear wave S wave See Note at earthquake.
direction of propagation: The axis along which the wave travels. wave: A moving disturbance in the energy level of a field.
directions of propagation. To find the direction of propagation of an E&M wave, point the fingers of the right hand in the direction of the electric field, curl them toward the direction of the magnetic field, and your thumb will point in the direction of propagation.
The term perpendicular describes a pair of lines or planes that intersect each other at a 90 degree angle. ... In science and engineering, a line perpendicular to another line or a plane is often referred to as being normal to the plane, or simply called the surface normal.
Standing at right angles to the plane of the horizon : exactly upright. b : being at right angles to a given line or plane. 2 : extremely steep : precipitous.
Answers & Comments
Answer:
Primary waves (P-waves) are compressional waves that are longitudinal in nature. P-waves are pressure waves that travel faster than other waves through the earth to arrive at seismograph stations first, hence the name "Primary".
Secondary waves cause the rocks they pass through to change in shape. These waves are the second fastest traveling seismic waves (after primary waves) and can travel through solids but not through liquids or gases. Also called shear wave S wave See Note at earthquake.
direction of propagation: The axis along which the wave travels. wave: A moving disturbance in the energy level of a field.
directions of propagation. To find the direction of propagation of an E&M wave, point the fingers of the right hand in the direction of the electric field, curl them toward the direction of the magnetic field, and your thumb will point in the direction of propagation.
The term perpendicular describes a pair of lines or planes that intersect each other at a 90 degree angle. ... In science and engineering, a line perpendicular to another line or a plane is often referred to as being normal to the plane, or simply called the surface normal.
Standing at right angles to the plane of the horizon : exactly upright. b : being at right angles to a given line or plane. 2 : extremely steep : precipitous.
Explanation:
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