$\alpha - $ particles of energy $400\, KeV$ are bombarded on nucleus of $_{82}Pb$. In scattering of $\alpha - $ particles, its minimum distance from nucleus will be
$\alpha - $ particles of energy $400\, KeV$ are bombarded on nucleus of $_{82}Pb$. In scattering of $\alpha - $ particles, its minimum distance from nucleus will be
- A
$0.59 \,nm$
- B
$0.59\,Å$
- C
$5.9 \,pm$
- D
$0.59\, pm$
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]
The ratio between total acceleration of the electron in singly ionized helium atom and hydrogen atom (both in ground state) is
The ratio between total acceleration of the electron in singly ionized helium atom and hydrogen atom (both in ground state) is
In a Rutherford scattering experiment when a projectile of charge $z_1$ and mass $M_1$ approaches a target nucleus of charge $z_2$ and mass $M_2$, the distance of closest approach is $r_0$ The energy of the projectile is
In a Rutherford scattering experiment when a projectile of charge $z_1$ and mass $M_1$ approaches a target nucleus of charge $z_2$ and mass $M_2$, the distance of closest approach is $r_0$ The energy of the projectile is
- [AIPMT 2009]
An electron having de-Broglie wavelength $\lambda$ is incident on a target in a X-ray tube. Cut-off wavelength of emitted $X$-ray is :
An electron having de-Broglie wavelength $\lambda$ is incident on a target in a X-ray tube. Cut-off wavelength of emitted $X$-ray is :
An $X-$ ray tube is operated at $50\, kV$. the minimum wavelength produced is.......$\mathop A\limits^o $
An $X-$ ray tube is operated at $50\, kV$. the minimum wavelength produced is.......$\mathop A\limits^o $