datboulreese4048
25.07.2019 •
Physics
Amechanical wave may be described as a disturbance that is transported through a medium via the mechanism of particle-to-particle interaction. which of these is not classified as a mechanical wave? a) earthquake b) light c) sound d) water
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Ответ:
B)light
Explanation:
Light is an electromagnetic wave. Electromagnetic waves are oscillations of electric and magnetic fields that propagate in the space, carrying energy. Electromagnetic waves are NOT mechanical waves: in fact, they do not a medium to propagate, as they can also travel through a vacuum.
Electromagnetic waves are also transverse waves, which means that the oscillations of the electric and magnetic fields occur in a direction perpendicular to the direction of propagation of the wave itself.
Ответ:
The outer case of the bell in a temple is made big so that there are multiple reflections of the sound wave and the sound can be amplified.