Light of Wavelength 400 Nm Falls on a Metal Surface

question 19

Multiple Choice

Light of wavelength 400 nm falls on a metal surface having a work function 1.70 eV.What is the maximum kinetic energy of the photoelectrons emitted from the metal? (c = 3.00 × 10⁸ m/s,
H = 6.626 × 10^-34 J • s = 4.141 × 10^-15 ev • s,1 eV = 1.60 × 10^-19 J)

• A) 4.52 eV
• B) 3.11 eV
• C) 1.41 eV
• D) 2.82 eV
• E) 1.70 eV

---

Definitions:

Divorced Daughters

Women who have experienced divorce and are the children in their parent's family, highlighting possible impacts on family dynamics.

Child Custody

Child custody is a legal term regarding guardianship which is used to describe the legal and practical relationship between a parent or guardian and a child in that person's care.

Parents

Mothers and fathers, or caregivers, who are responsible for raising and caring for their children.

Geographic Closeness

The physical proximity between places or entities, which can influence various social, economic, or environmental interactions.