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 A beam of light consisting of two wavelength 6300 Å and l Å is used to obtain interference fringes in a Young's double slit experiment. If 4th bright fringe of 6300 Å coincides with 5th dark fringe of l Å, the value of l (in Å) is
  • a)
    5200
  • b)
    4800
  • c)
    6200
  • d)
    5600
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A beam of light consisting of two wavelength 6300 Å and l Å...
4th bright fringe(6300A°)
  à5th dark fringe (λA°)
For bright fringe
Δz=nλ  (n=0,1,2,3….)
For dark fringe
Δz=(2n-1/2) λ (n= from 1)
4x6300=9/2λ
λ=5600A°
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Most Upvoted Answer
A beam of light consisting of two wavelength 6300 Å and l Å...
For bright fringe , y={D(n1 ×lambda1)}/d
for dark fringe,y={D(2n2+1)lambda2}/d

equate by putting lambda1 =6000,n1=4,n2=4and get lambda2
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Community Answer
A beam of light consisting of two wavelength 6300 Å and l Å...
And 4500 angstrom is incident on a diffraction grating. The angle of diffraction for the first order maximum for the longer wavelength is 30 degrees. Calculate the angle of diffraction for the first order maximum for the shorter wavelength.
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A beam of light consisting of two wavelength 6300 Å and l Å is used to obtain interference fringes in a Young's double slit experiment. If 4thbright fringe of 6300 Å coincides with 5thdark fringe of l Å, the value of l (in Å) isa)5200b)4800c)6200d)5600Correct answer is option 'D'. Can you explain this answer?
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A beam of light consisting of two wavelength 6300 Å and l Å is used to obtain interference fringes in a Young's double slit experiment. If 4thbright fringe of 6300 Å coincides with 5thdark fringe of l Å, the value of l (in Å) isa)5200b)4800c)6200d)5600Correct answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A beam of light consisting of two wavelength 6300 Å and l Å is used to obtain interference fringes in a Young's double slit experiment. If 4thbright fringe of 6300 Å coincides with 5thdark fringe of l Å, the value of l (in Å) isa)5200b)4800c)6200d)5600Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A beam of light consisting of two wavelength 6300 Å and l Å is used to obtain interference fringes in a Young's double slit experiment. If 4thbright fringe of 6300 Å coincides with 5thdark fringe of l Å, the value of l (in Å) isa)5200b)4800c)6200d)5600Correct answer is option 'D'. Can you explain this answer?.
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