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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

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

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प्रश्न

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

विकल्प

  • Rutherford’s model

  • both the models

MCQ
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उत्तर

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

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अध्याय 12: Atoms - EXERCISES [पृष्ठ ३०५]

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एनसीईआरटी Physics Part I and II [English] Class 12
अध्याय 12 Atoms
EXERCISES | Q 12.1 (e) | पृष्ठ ३०५
एनसीईआरटी Physics Part I and II [English] Class 12
अध्याय 12 Atoms
Exercise | Q 12.1 (e) | पृष्ठ ४३५

संबंधित प्रश्न

In the ground state of ______ electrons are in stable equilibrium, while in ______ electrons always experience a net force.


A classical atom based on ______ is doomed to collapse.


Answer the following question, which help you understand the difference between Thomson’s model and Rutherford’s model better.

Is the average angle of deflection of α­-particles by a thin gold foil predicted by Thomson’s model much less, about the same, or much greater than that predicted by Rutherford’s model?


Write two important limitations of Rutherford's nuclear model of the atom.


In a Geiger-Marsden experiment, calculate the distance of closest approach to the nucleus of Z = 80, when a α-particle of 8Mev 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?


In Geiger-Marsden experiment prediction was that ______.


For 7.7 Mev alpha particles scattering from aluminium (Z = 13), the distance of closest approach in a bead on collision is ______.

Useful data

`1/(4 pi ∈_0) = 8.99 xx 10^9` newton m2C-2; c = 1.60 × 10-19 C; leV = 1.60 × 10-19j.


An alpha particle has


Nucleolus of an atom of mass No. 24 and charge no. 11 consists of


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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?


The energy levels of a certain atom for first, second and third levels are E, 4E/3 and 2E, respectively. A photon of wavelength λ is emitted for a transition 3 `→` 1. What will be the wavelength of emission for transition 2 `→` 1?


The shortest wavelength of the Brackett series of a hydrogen like atom of atomic number Z is same as the shortest wavelength of the Balmer series of hydrogen atom, then the value of Z is ______.


Choose the correct option from the following options given below:


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


How is the size of a nucleus found experimentally? Write the relation between the radius and mass number of a nucleus.


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