In a Michelson interferometer, what happens when one of the mirrors is moved slightly?
Correct Answer: Interference pattern shift hota hai.
- Step 1: Understand that a Michelson interferometer splits a beam of light into two paths using a beam splitter.
- Step 2: Each path reflects off a mirror and then returns to the beam splitter.
- Step 3: When the light beams recombine at the beam splitter, they create an interference pattern (fringes) based on their path lengths.
- Step 4: If one of the mirrors is moved slightly, it changes the distance that the light travels in that path.
- Step 5: This change in distance alters the phase of the light waves when they recombine.
- Step 6: As a result, the interference pattern shifts, which can be seen as a movement of the fringes.
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