Microwaves are in motion. If that qualifies as "progressive" then they are progressive. The are not stationary as any wave that carries energy wants to move. We can talk about something called "standing waves" in physics, but that's not the same thing. Microwave progress out from the point where they originate.
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1. Each point along a progressive wave has equal amplitude, but for a stationary wave the amplitude varies. 2. Adjacent points on progressive waves vibrate with different phase but all particles between nodes in stationary waves vibrate in phase 3. Energy is transferred through space in progressive waves but not in the case of stationary waves
Not moving; not appearing to move; stable; fixed., Not improving or getting worse; not growing wiser, greater, better, more excellent, or the contrary., Appearing to be at rest, because moving in the line of vision; not progressive or retrograde, as a planet., One who, or that which, is stationary, as a planet when apparently it has neither progressive nor retrograde motion.
Stationary transverse waves are produced on strings. This is due to the superimposition of the progressive wave and its reflection at the knife edges.
Both types can be produced depending upon the way that the waves are created; their height and their frequency.
Transverse stationary waves are produced in a stretched string by the interference of two waves of the same frequency traveling in opposite directions along the string. This interference causes certain points on the string, called nodes and antinodes, to appear stationary as they oscillate in place. The specific frequencies that can form stationary waves are determined by the length and tension of the string.
Progressive Wave: 1) The wave profile is seen to move indicating that energy is being transported in the process. 2) If undamped, all points will oscillated with the same amplitude. 3) Points within a wavelength are out of phase. Two successive points that are in phase are exactly one wavelength apart. Stationary Wave : 1) The wave profile is stationary showing that there is no net transfer of energy from one end to another. 2) Points vibrate with different amplitudes ranging from zero (nodes) to a maximum (anti nodes) amplitude. 3) Points within one loop (half a wavelength) are in phase. However, they are in anti-phase with the vibrations of the points in the adjacent loop.
Microwaves
microwaves are used in radar
microwaves
where are Samsung microwaves made