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 In a YDSE apparatus, we use white light then :
  • a)
     The fringe next to the central will be red
  • b)
    The central fringe will be white.
  • c)
    The fringe next to the central will be violet
  • d)
     There will not be a completely dark fringe.
Correct answer is option 'B,C,D'. Can you explain this answer?
Most Upvoted Answer
In a YDSE apparatus, we use white light then :a)The fringe next to the...
Explanation:

White Light in YDSE:
White light consists of a mixture of different colors with different wavelengths. When white light is used in a Young's Double Slit Experiment (YDSE), each color component will diffract at a slightly different angle due to its unique wavelength.

Central Fringe:
- The central fringe in a YDSE experiment with white light will appear white. This is because all the colors are superimposed at the center, resulting in white light.

Adjacent Fringes:
- The fringes adjacent to the central fringe will exhibit different colors. The fringe next to the central will be violet, as violet light has a shorter wavelength and diffracts more than other colors.
- Following violet, the fringes further away from the central fringe will display other colors of the spectrum, such as blue, green, yellow, orange, and red.

Dark Fringes:
- In the case of white light, there will not be a completely dark fringe. This is because the superposition of all colors in white light ensures that some light is always present at every point on the screen.
In conclusion, when white light is used in a YDSE apparatus, the central fringe will appear white, the fringes adjacent to the central will display colors of the spectrum (starting with violet), and there will not be a completely dark fringe due to the nature of white light.
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In a YDSE apparatus, we use white light then :a)The fringe next to the central will be redb)The central fringe will be white.c)The fringe next to the central will be violetd)There will not be a completely dark fringe.Correct answer is option 'B,C,D'. Can you explain this answer?
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