Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Electron in hydrogen atom first jumps from third excited state to second excited state and then from second excited to the first excited state.The ratio of the wavelengths `lambda_1 lambda_2` emitted in the two cases - Sarthaks eConnect

Electron in hydrogen atom first jumps from third excited state to second excited state and then from second excited to the first excited state.The ratio of the wavelengths `lambda_1 : lambda_2` emitted in the two cases :

`27/5`

`20/7`

`7/5`

`27/20`