An electron in a hydrogen atom makes a transition from the n = 3 to the n = 1 energy state. Determine the wavelength of the emitted photon (in nm)
a. 1 006
b. 209
c. 306
d. 103
e. 821
D
You might also like to view...
Two masses m1 and m2, with m1 = 3 m2, undergo a head-on elastic collision. If the particles were approaching with speed v before the collision, with what speed are they moving apart after collision?
a. 3 v b. v/3 c. 3v/4 d. v
During an adiabatic process, an ideal gas does 25 J of work. What is the change in the internal (thermal) energy of the gas during this process?
A) -25 J B) 25 J C) 0.00 J D) 50 J E) -50 J
Food cooked in a microwave oven depends on electrical
A) conduction. B) charge polarization. C) resistance changes. D) field strength. E) all of the above
Which of the following is a common characteristic of the Jovian planets?
A. thick atmosphere B. mostly composed of hydrogen and helium C. lack of solid surface D. ring systems and satellites E. All of these choices are correct.