Advertisements
Advertisements
प्रश्न
The positively charged part of the atom possesses most of the mass in ______.
विकल्प
Rutherford’s model
both the models
Advertisements
उत्तर
The positively charged part of the atom possesses most of the mass in both the models.
संबंधित प्रश्न
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.
In the ground state of ______ electrons are in stable equilibrium, while in ______ electrons always experience a net force.
Write two important limitations of Rutherford's nuclear model of the atom.
An electron in an atom revolves round the nucleus in an orbit of radius r with frequency v. Write the expression for the magnetic moment of the electron.
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 automobile moves on a road with a speed of 54 km h−1. The radius of its wheels is 0.45 m and the moment of inertia of the wheel about its axis of rotation is 3 kg m2. If the vehicle is brought to rest in l 5s, the magnitude of average torque transmitted by its brakes to the wheel is:
An alpha particle has
The ratio of minimum to maxm wavelength in ballmer series is:-
What is the nuclear radius of 125Fe, if that of 27Al is 3.6 fermi?
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?
In the Rutherford experiment, α-particles are scattered from a nucleus as shown. Out of the four paths, which path is not possible?
When alpha particles are sent through a thin gold foil, most of them go straight through the foil, because ______.
What was the purpose of the zinc sulphide fluorescent screen?
What was used to observe the scintillations on the screen?
How does the size of the nucleus compare with the size of the atom?
