Nuclear Physics and RadioactivityHard
Question
The photon radiated from hydrogen corresponding to 2nd line of Lyman series is absorbed by a hydrogen like atom ′X′ in 2nd excited state. As a result the hydrogen like atom ′X′ makes a transition to nth orbit. Then :
Options
A.X = He+, n = 4
B.X = Le++, n = 6
C.X = He+, n = 6
D.X = Li++, n = 9
= 13.6Z2 
More Nuclear Physics and Radioactivity Questions
When a nucleus with atomic number Z and mass number A undergoes a radioactive decayed process...How many head - on elastic collisions must a neutron have with deuterium nuclei to reduce it energy from 6.561 MeV to 1 ...The decay constant of radio isotope is λ. If A1 A2 are its activities at time t1 and t2 respectively, the number of...A photoelecrtic cell illuminated by a point source of light 1 m away. When the source is Shifted to 2m then-...Which of the following pair of nuclei are isobars of the element?...