Chemistry MC Chemistry Chapter 9 For potassium metal, the work function O (the minimum energy needed to eject an electron from the metal surface) is 3.68 x 10^-19 J. Which is the longest wavelength of the following which could excite photoelectrons?

For potassium metal, the work function O (the minimum energy needed to eject an electron from the metal surface) is 3.68 x 10^-19 J. Which is the longest wavelength of the following which could excite photoelectrons?

Chemistry Chapter 9

For potassium metal, the work function O (the minimum energy needed to eject an electron from the metal surface) is 3.68 x 10^-19 J. Which is the longest wavelength of the following which could excite photoelectrons?

A) 550. nm
B) 500. nm
C) 450. nm
D) 400. nm
E) 350. nm

Answer: B

Chemistry MC

For potassium metal, the work function O (the minimum energy needed to eject an electron from the metal surface) is 3.68 x 10^-19 J. Which is the longest wavelength of the following which could excite photoelectrons?

For potassium metal, the work function O (the minimum energy needed to eject an electron from the metal surface) is 3.68 x 10^-19 J. Which is the longest wavelength of the following which could excite photoelectrons?

Learn More :

Share this