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Which of the following is not essential for two sources of light in Young’s double slit experiment to produce a sustained interference?
  • a)
    equal frequency
  • b)
    Constant phase difference
  • c)
    equal intensity
  • d)
    equal wavelength
Correct answer is option 'C'. Can you explain this answer?
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Which of the following is not essential for two sources of light in Yo...
Coherent sources: Two sources are said to be coherent in nature if they emit light of same frequency and of a stable path difference. Conditions for sustained interference pattern. The two sources of light must be coherent with same frequency or wavelength and with same phase or constant phase difference.
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Most Upvoted Answer
Which of the following is not essential for two sources of light in Yo...
's double-slit experiment?

A) The sources of light must be coherent.

B) The sources of light must be monochromatic.

C) The sources of light must be of equal intensity.

D) The sources of light must be of different colors.

Answer: D) The sources of light must be of different colors.
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Read the following text and answer the following questions on the basis of the same:In one of his experiments on interference, August Jean Fresnel used a biprism to induce interference between two beams. He split a diverging beam of light into two parts by using the biprism to refract them. This resulted in two split beams which acted as if they were from two coherent sources and which therefore interfered with each other.A Fresnel Biprism is a thin double prism placed base to base and have very small refracting angle ( 0.5°). This is equivalent to a single prism with one of its angle nearly 179° and other two of 0.5° each.In Young’s double Slits experiment, a single source is split in two coherent sources. For the Young’s slits experiment, we must approximate that the slits act as point sources. This however is not the case, since the slits have finite width. In this way, it gives rise to unwanted diffraction effects that causes errors.The Fresnel biprism experiment overcomes this problem.A Fresnel biprism is a variation of Young’s Slits experiment. When monochromatic light through a narrow slit falls on biprism that divides it into two components. One of these component is refracted from upper portion of biprism and the other one refracted through lower portion. Two virtual coherent sources formed from the original source. In this case, two virtual coherent sources are point sources and replace slits in Young’s experiment.Q. Which problem of Young’s double slit experiment is overcome by Fresnel biprism?

Which of the following is not essential for two sources of light in Young’s double slit experiment to produce a sustained interference?a)equal frequencyb)Constant phase differencec)equal intensityd)equal wavelengthCorrect answer is option 'C'. Can you explain this answer?
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Which of the following is not essential for two sources of light in Young’s double slit experiment to produce a sustained interference?a)equal frequencyb)Constant phase differencec)equal intensityd)equal wavelengthCorrect answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which of the following is not essential for two sources of light in Young’s double slit experiment to produce a sustained interference?a)equal frequencyb)Constant phase differencec)equal intensityd)equal wavelengthCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is not essential for two sources of light in Young’s double slit experiment to produce a sustained interference?a)equal frequencyb)Constant phase differencec)equal intensityd)equal wavelengthCorrect answer is option 'C'. Can you explain this answer?.
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