What radioactive source did the Geiger and Marsden use in the scattering experiment?
What radioactive source did the Geiger and Marsden use in the scattering experiment?
Similar Questions
Hydrogen atom is excited from ground state to another state with principal quantum number equal to $4$. Then the number of spectral lines in the emission spectra will be
Hydrogen atom is excited from ground state to another state with principal quantum number equal to $4$. Then the number of spectral lines in the emission spectra will be
Describe Geiger-Marsden scattering experiment.
Describe Geiger-Marsden scattering experiment.
The first line in the Lyman series has wavelength $\lambda $ . The wavlength of the first line in Balmer series is
The first line in the Lyman series has wavelength $\lambda $ . The wavlength of the first line in Balmer series is
Assertion $(A)$ : The magnetic moment $(\mu)$ of an electron revolving around the nucleus decreases with increasing principle quantum number $(n)$.
Reason $(R)$ : Magnetic moment of the revolving electron, $\mu \propto n$.
Assertion $(A)$ : The magnetic moment $(\mu)$ of an electron revolving around the nucleus decreases with increasing principle quantum number $(n)$.
Reason $(R)$ : Magnetic moment of the revolving electron, $\mu \propto n$.
- [AIIMS 2015]
Ratio of longest wave lengths corresponding to Lyman and Balmer series in hydrogen spectrum is
Ratio of longest wave lengths corresponding to Lyman and Balmer series in hydrogen spectrum is