Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Dual Nature of Radiation question

2021 · 1 Sep · Shift 2 · Q49
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Dual Nature of Radiation
  5. /2021 · 1 Sep · Shift 2 · Q49

Dual Nature of Radiation question

2021 · 1 Sep · Shift 2 · Q49

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1
The temperature of an ideal gas in 3-dimensions is 300 K. The corresponding de-Broglie wavelength of the electron approximately at 300 K, is : [me = mass of electron = 9 ×\times× 10 −-− 31 kg, h = Planck constant = 6.6 ×\times× 6.6 ×\times× 10 −-− 34 Js, kB = Boltzmann constant = 1.38 ×\times× 10 −-− 23 JK −-− 1]
  1. A
    6.26 nm
  2. B
    8.46 nm
  3. C
    2.26 nm
  4. D
    3.25 nm
PreviousNext

More from Dual Nature of Radiation

  • The stopping potential in the context of photoelectric effect depends on the following property of incident electromagnetic radiation :2021 · MCQ
  • The de-Broglie wavelength associated with an electron and a proton were calculated by accelerating them through same potential of 100 V. What should nearly be the ratio of their wavelengths? (mp = 1.00727u me = 0.00055u)2021 · MCQ
  • An electron of mass m and a photon have same energy E. The ratio of wavelength of electron to that of photon is : (c being the velocity of light)2021 · MCQ
  • Two identical photocathodes receive the light of frequencies f1 and f2 respectively. If the velocities of the photo-electrons coming out are v1 and v2 respectively, then2021 · MCQ
  • A particle is travelling 4 time as fast as an electron. Assuming the ratio of de-Broglie wavelength of a particle to that of electron is 2 : 1, the mass of the particle is :2021 · MCQ
  • The radiation corresponding to 3 → 2 transition of a hydrogen atom falls on a gold surface to generate photoelectrons. The electrons are passed through a magnetic field of 5 × 10 − 4 T. Assume that the radius of the largest…2021 · MCQ
  • An electron having de-Broglie wavelength λ is incident on a target in a X-ray tube. Cut-off wavelength of emitted X-ray is :2021 · MCQ
  • A certain metallic surface is illuminated by monochromatic radiation of wavelength λ. The stopping potential for photoelectric current for this radiation is 3V0. If the same surface is illuminated with a radiation of wavelength 2 λ…2021 · Numerical