Questions
The wave number of energy emitted when electron jumps from fourth orbit to second orbit in hydrogen in 20,497 cm-1. The wave number of energy for the same transition in He+ is
detailed solution
Correct option is D
v¯=1λ=Rz21n12−1n22;∴v¯ α z2∴v¯1v¯2=z1z22;∴20497v¯2=122∴v¯2=81988Talk to our academic expert!
Similar Questions
In a sample of ions, a Li++ ion electron in first Bohr orbit is excited to a level by a radiation of wavelength λ. When the ion gets de-excited to the ground state in all possible ways (including intermediate emissions), a total of six spectral lines are observed. What is the value of λ ?
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
