An electron is moving in an orbit of a hydrogen atom from which there can be a maximum of six transitions. An electron is moving in an orbit of another hydrogen atom from which there can be a maximum of three transitions. The ratio of the velocity of the electron in these two orbits is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Number of spectral lines obtained due to transition of electron from 
orbit to lower orbits is
In the first case, 
In the second case, 
Velocity of electron in hydrogen atom in 
orbit is
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Activity of a radioactive sample decreases to of its original value in 3 days. Then, in 9 days its…
If and are the radii of the atomic nuclei of mass numbers 64 and 125 respectively, then the ratio…
A radioactive element forms its own isotope after 3 consecutive disintegrations. The particles emit…
A radioactive substance contains 10,000 nuclei and its half-life period is 20 days. The number of n…
The volume of a nucleus is directly proportional to (where mass number of the nucleus)
The ratio of the nuclear radii of elements with mass numbers 216 and 125 is