Q13 · 2024 · Paper 1Simple familiar1 mark
QUESTION 13
Light with a frequency of 9.4 × 1015 Hz is incident upon an unknown metal, producing photoelectrons with a maximum kinetic energy of 5.6 × 10−18 J. What is the work function of the metal?
(A)
1.0 eV
(B)
3.9 eV
(C)
5.9 eV
(D)
6.3 eV
WORKED SOLUTION
1 markAnswer B
ANSWER
B
Worked solution
. The result is about J, or eV. Option B.
Selects option B.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.