×
Detail Form
We will send your result on your email id and phone no. please fill detail
1.
The mass defect per nucleon is called
2.
The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series for a hydrogen like ion. The atomic number 
of hydrogen like ion is
of hydrogen like ion is
3.
In which of the following decay, the element does not change
4.
The decay constant of radium is 
. Its half life will be
. Its half life will be
5.
Nuclear fission can be explained based on
6.
In hydrogen atom, when electron jumps from second to first orbit, then energy emitted is
7.
The volume of a nucleus is directly proportional to
8.
In the nuclear reaction: 
the term 
will be
the term will be
9.
Solar energy is mainly cause due to
10.
The ratio of minimum to maximum wavelength in Balmer series is