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  1. Light of wavelength 6000 Armstrong in air enters a medium of refractive index of 1.5 . What are the wavelength and frequency of light in that medium? Can you please tell me that why I should take. v=3*10(raised to 8)/6000 Armstrong. Instead I can take v=3*10(raised to 8)/4000 Armstrong , because wavelength of light in that medium is 4000 Armstrong.

  2. Nov 26, 2021 · $\begingroup$ First mention of Armstrong number in print that I could find: F. D. Federighi and Edwin D. Reilly, "Computer Science Laboratory Exercises", Schenectady, New York: Reidinger and Reidinger 1971, p. 9: "An n-digit number is an Armstrong number if the sum of the nth power of the digits is equal to the original number. Therefore, 371 ...

  3. Considering 371 to be an Armstrong number we will multiple the cube of each individual digit and then add the sum of each digit. For example: 371 = (3x3x3)+ (7x7x7)+ (1x1x1) where: 3 cube=27. 7 cube=343. 1 cube=1. Now we add the sum of all the cubes together: 27+343+1=371.

  4. The hydrogen atoms in the ground state is excited by means of monochromatic radiations of wavelength The resulting spectrum consists of maximum 15 different lines. What is the value of 2. Rx = 109737 cm-'

  5. So, the number of lines in the resultant spectrum is 6. The longest wavelength is emitted from 4 th orbit to 3 rd orbit. i.e. E 4 → 3 = 13.6 ( 1 3 2 − 1 4 2 )

  6. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1 e V.According to Bohr's theory, the spectral lines emitted by hydrogen will be

  7. A hydrogen atom in the ground state is excited by monochromatic radiation of wavelength λ ˙ A.The resulting spectrum consists of maximum 15 different lines.

  8. Verified by Toppr. The angstrom (˙A) is an internationally recognized unit of length equal to 1×10−10m. It is not a part of the S.I. system of units, but it can be considered as a part of the metric system. Was this answer helpful? 7. Similar Questions. Q 1. A solution is a mixture of 0.05 M KCl and 0.05 M N aI.

  9. If a hydrogen atom in its ground state is excited by means of monochromatic radiation of wavelength 975 ˚ A, the number of different lines possible in the resulting spectrum and the longest wavelength among them are . 6, 18270 ˚ A; 4, 18720 ˚ A; 4, 304 ˚ A; 6, 8208 ˚ A

  10. Click here👆to get an answer to your question ️ Hydrogen gas in its ground state is excited by means of monochromatic radiation of wavelength 975 A. How many different lines are possible in the resulting spectrum? The ionization energy of hydrogen atom is 13.6 eV. (Planks constant = 6.63 x 10-343-5]

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