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as a gust of wind blows across a field of grain, a wave can be seen...

as a gust of wind blows across a field of grain, a wave can be seen to move across the field as the tops of the plants sway back and forth. This wave is:

a) longitudinal wave

b) interference of waves

c) polarized wave

d) transverse wave

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Answer #1

The answer is Option (a) Longitudinal wave

As, In longitudinal waves, the vibrations are parallel to the direction of wave travel. So, wherever the wind blows the tops of plants sway back and forth.

Just as in the case, the compressions move from left to right and energy is transmitted from left to right. However, none of the particles is moved along with a longitudinal wave. Instead, they move backwards and forwards between compressions as the wave is transmitted through the medium. As Regions of high and low pressure are longitudinal waves.

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