Question 15 5 pts Ascapfilm in- 1.33) sits on top of a plastic platein - 1.37)....
Use the Bohr model to find the second longest wavelength of light in the Balmer series for a doubly-ionized Li atom (Z = 3). Recall that the Balmer series corresponds to transitions to the n = 2 level. 41.1 nm 117 nm 73.0 nm 54.1 nm 209 nm Light with a wavelength of 145 nm is shined on to the surface of platinum metal. What is the maximum speed of the ejected photoelectrons ? The work function of platinum is...
> Question 17 5 pts The maximum speed of photoelectrons ejected from the surface of a metal is 4.07E5 m/s, when light with a wavelength of 185 nm is shined on the surface. What is the work function of the metal? 0 2.40 eV 05.17 eV O 6.24 eV 0 4.70 eV O 1.42 eV
Question 17 5 pts The maximum speed of photoelectrons ejected from the surface of a metal is 4.07E5 m/s, when light with a wavelength of 185 nm is shined on the surface. What is the work function of the metal? 0 2.40 eV 5.17 eV 6.24 eV 4.70 eV O 1.42 eV
Question 17 5 pts The maximum speed of photoelectrons ejected from the surface of a metal is 4.07E5 m/s, when light with a wavelength of 185 nm is shined on the surface. What is the work function of the metal? 2.40 eV 5.17 eV 6.24 eV 4.70 eV 1.42 eV
Question 16 5 pts Use the Bohr model to find the second longest wavelength of light in the Paschen series for a triply-ionized Be atom (Z - 4). Recall that the Paschen series corresponds to transitions to the second excited state in = 3). 13.5 nm O 117 nm O 73.0 nm 41.1 nm O 80.2 nm Question 17 5 pts Light with a wavelength of 137 nm is shined on the surface of potassium metal. Photoelectrons are ejected from...
Use the Bohr model to find the second longest wavelength of light in the Lyman series for a doubly- ionized Li atom (Z = 3). Recall that the Lyman series corresponds to transitions to the ground state (n = 1). 13.5 nm 117 nm 73.0 nm 11.4 nm 209 nm Question 17 5 pts Light with a wavelength of 145 nm is shined on to the surface of platinum metal. What is the maximum speed of the ejected photoelectrons? The...
Use the Bohr model to find the second longest wavelength of light in the Lyman series for a doubly. ionized Li atom (Z = 3). Recall that the Lyman series corresponds to transitions to the ground state (n = 1). 13.5 nm 117 nm 0 73.0 nm 0 114 nm 0 209 nm Light with a wavelength of 145 nm is shined on to the surface of platinum metal. What is the maximum speed of the ejected photoelectrons? The work...
please answer both questions A soap film (n = 1.33) sits on top of a plastic plate (n = 1.37). White light strikes the film nearly perpendicularly. The smallest nonzero film thickness for which the film appears bright due to constructive interference is 153 nm. What color does the film appear? O Violet (420 nm) Yellow (580 nm) O Red (650 nm Blue (475 nm) O Green (500 nm) Question 16 5 pts Use the Bohr model to find the...
The maximum speed of photoelectrons ejected from the surface of a metal is 4.07E5 m/s, when light with a wavelength of 185 nm is shined on the surface. What is the work function of the metal? 2.40 eV 05.17 eV O 6.24 eV 0 4.70 eV O 1.42 eV
Question 17 5 pts The maximum speed of photoelectrons ejected from the surface of a metal is 4.075 m/s, when light with a wavelength of 185 nm is shined on the surface. What is the work function of the metal? 0 2.40 eV O 5.17 eV O 6.24 V 0 4.70 ev O 1.42 eV