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An atom has a nearly continuous mass distribution in a ______ but has a highly non-uniform mass distribution in ______. - Physics

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प्रश्न

An atom has a nearly continuous mass distribution in a ______ but has a highly non-uniform mass distribution in ______.

विकल्प

  • Thomson’s model

  • Rutherford’s model

MCQ
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उत्तर

An atom has a nearly continuous mass distribution in a Thomson’s model but has a highly non-uniform mass distribution in Rutherford’s model.

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अध्याय 12: Atoms - EXERCISES [पृष्ठ ३०५]

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एनसीईआरटी Physics [English] Class 12
अध्याय 12 Atoms
EXERCISES | Q 12.1 (d) | पृष्ठ ३०५

संबंधित प्रश्न

With the help of a neat labelled diagram, describe the Geiger- Marsden experiment


Thorium 90Th232 is disintegrated into lead 82Pb200. Find the number of α and β particles emitted in disintegration.


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The positively charged part of the atom possesses most of the mass in ______.


Suppose you are given a chance to repeat the alpha-particle scattering experiment using a thin sheet of solid hydrogen in place of the gold foil. (Hydrogen is a solid at temperatures below 14 K.) What results do you expect?


In a Geiger-Marsden experiment, calculate the distance of closest approach to the nucleus of Z = 75, when a α-particle of 5 MeV energy impinges on it before it comes momentarily to rest and reverses its direction.

How will the distance of closest approach be affected when the kinetic energy of the α-particle is doubles?


Answer the following question.
A charged particle q is moving in the presence of a magnetic field B which is inclined to an angle 30° with the direction of the motion of the particle. Draw the trajectory followed by the particle in the presence of the field and explain how the particle describes this path.


Answer the following question.
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If the radius of second electron orbit in hydrogen atom be r then the radius of the third orbit will be ______.


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The energy of hydrogen atom in an orbit is −1.51 eV. What are the kinetic and potential energies of the electron in this orbit?


The electron in a hydrogen atom is typically found at a distance of about 5.3 × 10−11 m from the nucleus which has a diameter of about 1.0 × 10−15 m. Assuming the hydrogen atom to be a sphere of radius 5.3 × 10−11 m, what fraction of its volume is occupied by the nucleus?


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  3. `1/"v"^2`
  4. `1/"Ze"`

In the Rutherford experiment, α-particles are scattered from a nucleus as shown. Out of the four paths, which path is not possible? 


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