Answer:
It is C and 100 percent sure about it
Answer:
Explanation:
Paschen series of hydrogen, is the series of transitions resulting from the hydrogen atom when electron jumps from a state of 
to 
.
Emission lines for hydrogen are given by:
is the wavelength of the line emitted,
is the Rydberg constant for hydrogen, 
is the final energy state of the electron and 
is the energy state where the electron transition originated.
We have 
and . Solving for n:
Answer:
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Explanation:
here we have to calculate the net positive charge present on he surface of the conducting sphere.
as the sphere is a conducting one the,the charge will be stored on its surface.
though the charge is present at the surface,still it will behave just like the total charge is concentrated at the centre of the sphere.
the electric field at outside of the sphere is E=
as E= 
so V=
here V=27 volt,radius of sphere is 0.800 m and the point at which the potential is considered is at 1.20 m from th centre of the sphere.hence the point is at the outside of the sphere .
hence we have 27=
q=27×
coulomb
=3.6×
coulomb [ans]
Answer:
387 volts
Explanation:
Ohm's law is used to relate voltage, current and resistance.
The formula is as follows:V = I * R
where:
V is the applied voltage (measured in volts)
I is the current flowing (measured in amperes)
R is the resistance (measured in ohm)
In the given, we have:
current (I) = 9 amperes
resistance (R) = 43 ohm
Substitute with the givens in the above formula to get the voltage as follows:
V = 9 * 43
V = 387 volts
Hope this helps :)
