Which risk increases when imperfect alignment affects a Michelson interferometer?

💡 Explanation

Reduced fringe visibility occurs because unequal path lengths cause destructive interference; this arises from imperfect alignment reducing modulation depth. Therefore, fringe contrast decreases, rather than improvements in focusing or wavelength shifts, because differing optical paths cancel each other locally.

• Which mechanism enables electron mobility within silicon semiconductors?
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• Which outcome occurs when dopants alter semiconductor orbitals?
• Which risk noticeably increases when a gallium-nitride (GaN) transistor's gate voltage exceeds its maximum rated threshold?