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Physics - Atomic Physics

Practise 16 KVPY previous year questions on Atomic Physics, compiled from papers spanning 2011 to 2020. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KVPY tests.

  1. 1Instead of angular momentum quantization a sudent posits that energy is quantized as E = - E 0 / n E 0 0 and n is a positive integer. Which 2020 (SB/SX)
  2. 2In a muonic atom, a muon of mass of 200 times of that of electron and same charge is bound to the proton. The wavelengths of its Balmer seri2019 (SB/SX)
  3. 3We consider the Thomson model of the hydrogen atom in which the proton charge is distributed uniformly over a spherical volume of radius 0 .2019 (SB/SX)
  4. 4The Hitomi satellite recently observed the Lyman alpha emission line ( n = 2 to n = 1 ) of hydrogen-like iron ion (atomic number of iron is 2018 (SB/SX)
  5. 5The number of completely filled shells for the element is19 Nov, 2017 (SA)
  6. 6Particle sused in the Rutherford's scattering experiment to deduce the structure of atoms19 Nov, 2017 (SA)
  7. 7The emission series of hydrogen atom is given by where is the Rydberg constant. For a transition from to , the relative change in the emissi19 Nov, 2017 (SB/SX)
  8. 8Some of the wavelength observed in the emission spectrum of neutral hydrogen gas are . If broad band light is passing through neutral hydrog19 Nov, 2017 (SB/SX)
  9. 9To calculate the size of a hydrogen anion using the Bohr model, we assume that its two electrons move in an orbit such that they are always 05 Nov, 2017 (SB/SX)
  10. 10The magnitude of acceleration of the electron in the orbit of hydrogen atom is and that of singly ionized helium atom is . The ratio is05 Nov, 2017 (SB/SX)
  11. 11A particle of mass moves around the origin in a potential , where is the distance from the origin. Applying the Bohr model in this case, the05 Nov, 2017 (SB/SX)
  12. 12Thermal expansion of a solid is due to the2016 (SB/SX)
  13. 13A singly ionized helium atom in an excited state emits a photon of energy . Given that the ground state energy of hydrogen atom is , the ene2013 (SB/SX)
  14. 14A stream of photons having energy each impinges on a potassium surface. The work function of potassium is . The emerging photo-electrons are2012 (SB/SX)
  15. 15A metal is irradiated with light of wavelength . Given that the work that the work function of the metal is , the de Broglie wavelength of t2012 (SB/SX)
  16. 16Due to transitions among its first three energy levels, hydrogenic atom emits radiation at three discrete wavelengths , and . Then -2011 (SB/SX)

Frequently Asked Questions

1.How many questions are available for Atomic Physics?

This chapter includes 16 questions compiled from KVPY papers spanning 2011 to 2020.

2.Are these questions only from KVPY, or from other exams too?

These are KVPY questions specifically for the Atomic Physics chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Atomic Physics an important chapter for KVPY Physics?

Atomic Physics has appeared in 8 of the 11 years of KVPY papers covered here, with 16 questions across 10 papers - about 2 per paper it appears in.