Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n=4 to n=1.energy emitted:

Explanation:

Using the Rydberg expression to calculate the change in energy of a photon emitted, we have :

where;

R = Rydberg constant =

= 1    and = 4

replacing our values into equation, we get:

stupid i wont let you get a chance

explanation:

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.