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When laser light reflects from a soap bubble, its photons can interfere with one another. In contrast, when sunlight reflects from a soap bubble, each photon can interfere only with itself. The reason for this difference is that

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Question $5$ options:

$$the photons in a laser beam are all part of a single wave, while those in sunlight are independent waves.$$

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$$ the photons in a laser beam have both electric and magnetic fields, while those in sunlight have only electric fields.$$

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$$the photons in a laser beam have both electric and magnetic fields, while those in sunlight have only magnetic fields.$$

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$$the photons in a laser beam are both vertically and horizontally polarized, while those in sunlight are only vertically polarized.