Question:

The wave crests of light waves are _________ to the direction the wave travels.

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The wave crests of light waves are _________ to the direction the wave travels.

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  1. perpendicular

    .


  2. away from?

    peace

  3. Light is an electro-magnetic wave. The vibrations of the electric bit, (and the magnetic bit) are perpendicular to the direction of travel. This is called a TRANSVERSE wave. Unlike a sound wave in which the vibrations are parallel to the direction of travel. Hope this helps

  4. Perpendicular. Light wave moves forward, the crests move at right angles to the wave.

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