In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron
In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron
- A
Nuclear force
- B
Gravitational force
- C
Magnetic force
- D
Electrostatic
Similar Questions
Match List $- I$ (Experiment performed) with List $-II$ (Phenomena discovered/associated) and select the correct option from the options given the lists
List $- I$
List $- II$
$(1)$ Davisson and Genner
$(i)$ Wave nature of electrons
$(2)$ Millikan's oil drop experiment
$(ii)$ Charge of an electron
$(3)$ Rutherford experiment
$(iii)$ Quantisation of energy levels
$(4)$ Franck-Hertz experiment
$(iv)$ Existence of nucleus
Match List $- I$ (Experiment performed) with List $-II$ (Phenomena discovered/associated) and select the correct option from the options given the lists
| List $- I$ | List $- II$ |
| $(1)$ Davisson and Genner | $(i)$ Wave nature of electrons |
| $(2)$ Millikan's oil drop experiment | $(ii)$ Charge of an electron |
| $(3)$ Rutherford experiment | $(iii)$ Quantisation of energy levels |
| $(4)$ Franck-Hertz experiment | $(iv)$ Existence of nucleus |
- [JEE MAIN 2014]
In 1911 , the physicist Ernest Rutherford discovered that atoms have a tiny, dense nucleus by shooting positively charged particles at a very thin gold foil. A key physical property which led Rutherford to use gold was that it was
In 1911 , the physicist Ernest Rutherford discovered that atoms have a tiny, dense nucleus by shooting positively charged particles at a very thin gold foil. A key physical property which led Rutherford to use gold was that it was
- [KVPY 2014]
In an atom, two electrons move around the nucleus in circular orbits of radii $R$ and $4R.$ The ratio of the time taken by them to complete one revolution is : (neglect electric interaction)
In an atom, two electrons move around the nucleus in circular orbits of radii $R$ and $4R.$ The ratio of the time taken by them to complete one revolution is : (neglect electric interaction)
$\sqrt{d_{1}}$ and $\sqrt{d_{2}}$ are the impact parameters corresponding to scattering angles $60^{\circ}$ and $90^{\circ}$ respectively, when an $\alpha$ particle is approaching a gold nucleus. For $d_{1}=x d_{2}$, the value of $x$ will be ________
$\sqrt{d_{1}}$ and $\sqrt{d_{2}}$ are the impact parameters corresponding to scattering angles $60^{\circ}$ and $90^{\circ}$ respectively, when an $\alpha$ particle is approaching a gold nucleus. For $d_{1}=x d_{2}$, the value of $x$ will be ________
- [JEE MAIN 2022]
What was the thickness of the gold foil kept in the Geiger-Marsden scattering experiment?
What was the thickness of the gold foil kept in the Geiger-Marsden scattering experiment?