Light from a Small Region of an Ordinary Incandescent Bulb

question 44

Multiple Choice

Light from a small region of an ordinary incandescent bulb is passed through a yellow filter and then serves as the source for a Young's double-slit experiment.Which of the following changes would cause the interference pattern to be more closely spaced?

• A)Use slits that are closer together
• B)Use a light source of lower intensity
• C)Use a light source of higher intensity
• D)Use a blue filter instead of a yellow filter
• E)Move the light source further away from the slits

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