In a Young's Double-Slit Interference Apparatus,the Distance from the Slits

question 41

Multiple Choice

In a Young's double-slit interference apparatus,the distance from the slits to the screen is tripled.The distance between adjacent light and dark fringes changes by a factor of:

• A) 1/9.
• B) 1/3.
• C) 1.
• D) 3.
• E) ​9.

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