Question
In hydrogen atom, when electron jumps from second to first orbit, then energy emitted is
- None of these
The correct answer is: None of these
Related Questions to study
When a radioactive substance emits an -particle, its position in the periodic table is lowered by
When a radioactive substance emits an -particle, its position in the periodic table is lowered by
Radioactive element decays to form a stable nuclide, then the rate of decay of reactant will vary with time as shown in figure
Radioactive element decays to form a stable nuclide, then the rate of decay of reactant will vary with time as shown in figure
Which of the relation is correct between time period and number of orbits while an electron is revolving in an orbit
Which of the relation is correct between time period and number of orbits while an electron is revolving in an orbit
The S.I. unit of radioactivity is
The S.I. unit of radioactivity is
If half life of a radioactive element is , after its activity becomes
If half life of a radioactive element is , after its activity becomes
In a sample of radioactive material, what percentage of the initial number of active nuclei will decay during one mean life
In a sample of radioactive material, what percentage of the initial number of active nuclei will decay during one mean life
What is the ground state energy of positronium
What is the ground state energy of positronium
Hydrogen bomb is based upon
Hydrogen bomb is based upon
After 280 days, the activity of a radioactive sample is 6000 dps. The activity reduces to 3000dps after another 140 days. The initial activity of the sample(in ) is
After 280 days, the activity of a radioactive sample is 6000 dps. The activity reduces to 3000dps after another 140 days. The initial activity of the sample(in ) is
and 
reacts to produce
