In a Young's Double Slit Experiment, Green Light Is Incident

question 46

Multiple Choice

In a Young's double slit experiment, green light is incident on the two slits. The interference pattern is observed on a screen. Which one of the following changes would cause the fringes to be more closely spaced?

• A)Reduce the slit separation distance.
• B)Use red light instead of green light.
• C)Use blue light instead of green light.
• D)Move the screen farther away from the slits.
• E)Move the light source farther away from the slits.

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