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In a Young's double slit experiment, the separation between the slits is 0.15 mm. In the experiment, a source of light of wavelength 589 nm is used and the interference pattern observed on a screen kept is 1.5 m away. The separation between the successive bright fringes on the screen is:
  • a)
    3.9 mm
  • b)
    6.9 mm
  • c)
    5.9 mm
  • d)
    4.9 mm
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
In a Youngs double slit experiment, the separation between the slits i...
To find the separation between the successive bright fringes on the screen in a Young's double slit experiment, we can use the formula:

δy = λL/d

Where:
δy is the separation between the bright fringes on the screen,
λ is the wavelength of light used,
L is the distance between the double slits and the screen,
and d is the separation between the double slits.

Given:
λ = 589 nm (or 589 × 10^-9 m),
L = 1.5 m,
and d = 0.15 mm (or 0.15 × 10^-3 m).

Let's substitute these values into the formula to find the separation between the bright fringes:

δy = (589 × 10^-9 m) × (1.5 m) / (0.15 × 10^-3 m)
= (589 × 1.5) / 0.15 × 10^-6
= 883.5 × 10^-6 / 0.15 × 10^-6
= 883.5 / 0.15
≈ 5890 mm

Therefore, the separation between the successive bright fringes on the screen is approximately 5890 mm.

Now let's convert this to the given options:

a) 3.9 mm
b) 6.9 mm
c) 5.9 mm
d) 4.9 mm

We can see that the correct answer is option c) 5.9 mm.

Therefore, the separation between the successive bright fringes on the screen is 5.9 mm.
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Community Answer
In a Youngs double slit experiment, the separation between the slits i...
Fringe-width,
= 589 × 10-2 mm = 5.89 mm
≈ 5.9 mm
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In a Youngs double slit experiment, the separation between the slits is 0.15 mm. In the experiment, a source of light of wavelength 589 nm is used and the interference pattern observed on a screen kept is 1.5 m away. The separation between the successive bright fringes on the screen is:a)3.9 mmb)6.9 mmc)5.9 mmd)4.9 mmCorrect answer is option 'C'. Can you explain this answer?
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In a Youngs double slit experiment, the separation between the slits is 0.15 mm. In the experiment, a source of light of wavelength 589 nm is used and the interference pattern observed on a screen kept is 1.5 m away. The separation between the successive bright fringes on the screen is:a)3.9 mmb)6.9 mmc)5.9 mmd)4.9 mmCorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about In a Youngs double slit experiment, the separation between the slits is 0.15 mm. In the experiment, a source of light of wavelength 589 nm is used and the interference pattern observed on a screen kept is 1.5 m away. The separation between the successive bright fringes on the screen is:a)3.9 mmb)6.9 mmc)5.9 mmd)4.9 mmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a Youngs double slit experiment, the separation between the slits is 0.15 mm. In the experiment, a source of light of wavelength 589 nm is used and the interference pattern observed on a screen kept is 1.5 m away. The separation between the successive bright fringes on the screen is:a)3.9 mmb)6.9 mmc)5.9 mmd)4.9 mmCorrect answer is option 'C'. Can you explain this answer?.
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