24 Polarisation is a phenomenon associated with a certain type of wave.Which condition must be fulfilled if a wave is to be polarised? D A It must be a light wave. B It must be a longitudinal wave. C It must be a radio wave. D It must be a transverse wave. 相关知识点: 试题...
when the energy particles and the wave particles form a perpendicular angle to each other, then it is called a transverse wave. One of the best examples of transverse waves is radio waves, microwaves, ocean waves, wiggling string and polarized...
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1: Two basic types of waves. (a)Longitudinal wave, where the oscillatory motion of the particles is in the same direction as that of the wave. (b) Transverse wave, where the oscillatory motion of the particles is perpendicular to that of the wave. The speed of the wave is the distance...
An electromagnetic wave is a transverse wave. NB: The wave is said transversal, if the energy moves perpendicularly to the direction of wave movement (movement of the arm, shaking the rope or the energy of a rock falling into the water). The wave is called longitudinal, if the energy ...
wavelength of a longitudinal wave = total length of a pair of successive compression and rarefaction. In general wavelength of a wave is the distance between two consecutive points in the same phase of motion at the same instance of time. ...
As was indicated above, pitch is determined largely by the frequency of the wave reaching the ear. The higher the frequency the higher is the pitch. Loudness depends on the amplitude of the wave reaching the ear. For a given frequency, the greater the amplitude of the wave the louder the...
Rapid eye movement sleep (REMS) is increasingly suggested as a discriminant sleep state for subtle signs of age-related neurodegeneration. While REMS expression is under strong circadian control and circadian dysregulation increases with age, the association between brain aging and circadian REMS regulatio...
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