English
Karnataka Board PUCPUC Science 2nd PUC Class 12

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

Advertisements
Advertisements

Question

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

Options

  • Thomson’s model

  • Rutherford’s model

MCQ
Fill in the Blanks
Advertisements

Solution

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.

shaalaa.com
  Is there an error in this question or solution?
Chapter 12: Atoms - EXERCISES [Page 305]

APPEARS IN

NCERT Physics Part I and II [English] Class 12
Chapter 12 Atoms
EXERCISES | Q 12.1 (d) | Page 305
NCERT Physics Part I and II [English] Class 12
Chapter 12 Atoms
Exercise | Q 12.1 (d) | Page 435

RELATED QUESTIONS

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


Using Rutherford's model of the atom, derive the expression for the total energy of the electron in hydrogen atom. What is the significance of total negative energy possessed by the electron?


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


The size of the atom in Thomson’s model is ______ the atomic size in Rutherford’s model.


A classical atom based on ______ is doomed to collapse.


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?


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?


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

Is the probability of backward scattering (i.e., scattering of α-particles at angles greater than 90°) predicted by Thomson’s model much less, about the same, or much greater than that predicted by Rutherford’s model?


Alpha particles used in Geiger-Marsden experiment were obtained from ______.


In Geiger-Marsden experiment, actual results were ______.


The first line of Balmer series (Hα) in the spectrum of hydrogen is obtained when an electron of hydrogen atom goes from ______.


The equation of trajectory of a projectile is given by y = `"x"/sqrt3 - "gx"^2/20`, where x and y are in metres. The maximum range of the projectile is:


Which of the following transition in a hydrogen atom emit photon of the highest frequency:


The ratio active Nude 7N13 decays 6C13 through the emission of


In 88 Ra226 nucleus, there are


The Bohr model for the H-atom relies on the Coulomb’s law of electrostatics. Coulomb’s law has not directly been verified for very short distances of the order of angstroms. Supposing Coulomb’s law between two opposite charge + q1, –q2 is modified to |F| = `(q_1q_2)/((4πε_0)) 1/r^2, r ≥ R_0 = (q_1q_2)/(4πε_0) 1/R_0^2 (R_0/r)^ε, r ≤ R_0` Calculate in such a case, the ground state energy of a H-atom, if ε = 0.1, R0 = 1Å.


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 ______.


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


Differentiate between the 'distance of the closest approach' and the 'impact parameter.'


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×