Question:medium
Find the ratio of momentum of photons of 1\textsuperscript{st and 2\textsuperscript{nd} line of Balmer series of hydrogen atom.}
Find the ratio of momentum of photons of 1\textsuperscript{st and 2\textsuperscript{nd} line of Balmer series of hydrogen atom.}
Updated On: Apr 6, 2026
- \( \frac{10}{20} \)
- \( \frac{11}{27} \)
- \( \frac{15}{20} \)
- \( \frac{20}{27} \)
Show Solution
The Correct Option is D
Solution and Explanation
Was this answer helpful?
0
Top Questions on Modern Physics
- Find binding energy of \(^{12}_{6}C\). Given mass of proton \(m_p = 1.0078\,u\) and mass of neutron \(m_n = 1.0087\,u\).
- JEE Main - 2026
- Physics
- Modern Physics
- An electron travelling with velocity \(v\) in free space enters a medium where its velocity is reduced by \(20\%\). The de-Broglie wavelength of the electron in the medium is \(\alpha \lambda_0\), where \(\lambda_0\) is the wavelength in free space. Find the value of \(\alpha\).
- JEE Main - 2026
- Physics
- Modern Physics
- Consider the nuclear reaction: \[ {}^{2}_{1}H + {}^{2}_{1}H \rightarrow {}^{4}_{2}He \] Binding energy per nucleon of \( {}^{2}_{1}H \) and \( {}^{4}_{2}He \) are \(1.1\,\text{MeV}\) and \(7\,\text{MeV}\) respectively. Find the energy released in the nuclear reaction.
- JEE Main - 2026
- Physics
- Modern Physics
In an AC circuit, supply voltage \( V_{\text{rms}} = 1000\,\text{V} \), \( R = 80\,\Omega \), \( X_L = 80\,\Omega \), and source frequency \( f = 50\,\text{Hz} \). Find the power factor.
- JEE Main - 2026
- Physics
- Modern Physics
- Want to practice more? Try solving extra ecology questions todayView All Questions
