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Electrical Engineering

If you look perpendicular at thin film and move yourself away from the film (staying perpendicular to the film), you will notice (a) Reflected light becomes brighter and brighter (b) Reflected light becomes darker and darker (c) Reflected light alternates between darker and brighter (d) None of the Above

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If you look perpendicular at thin film and move yourself away   from the film (staying perpendicular to the film), you will notice   (a) Reflected light becomes brighter and brighter
 (b) Reflected light becomes darker and darker
 (c) Reflected light alternates between darker and brighter   (d) None of the Above
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(c) Reflected light alternates between darker and brighter
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