Multiple Choice
If the work function of thoriated tungsten is 4 *10-19 J, the longest wavelength of light that will cause photoelectrons to be emitted is approximately
A) 880 nm.
B) 400 nm.
C) 497 nm.
D) 700 nm. E) 181 nm.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q14: The Davisson and Germer experiment verified that<br>A)the
Q19: Which of the following statements is
Q36: The wavelength of the visible line in
Q55: The symbol that represents the principal quantum
Q57: The energy of an electron in an
Q58: The photoelectric threshold of a certain metal
Q61: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7291/.jpg" alt=" What is the
Q62: Z for the element whose electronic configuration
Q64: The number of electrons in the M
Q110: What is the shift in wavelength of