A Metal Having a Work Function of 2

question 2

Multiple Choice

A metal having a work function of 2.5 eV is illuminated with white light that has a continuous wavelength band from 400 nm to 700 nm.For which one of the following ranges of the wavelength band in this white light are photoelectrons NOT produced? (h = 6.626 × 10^-34 J • s,c = 3.00 × 10⁸ m/s,
1 eV = 1.60 × 10^-19 J)

• A) 500 nm to 700 nm
• B) 400 nm to 560 nm
• C) 500 nm to 560 nm
• D) 400 nm to 500 nm
• E) 560 nm to 700 nm

---

Definitions:

Parental Influence

The impact that parents have on their children's development, including their behaviors, values, and attitudes, through genetics, upbringing, and the home environment.

Discussing Sex

The act of talking about sexual topics, including behavior, orientation, health, and relationships, often considered important for education and promoting healthy attitudes towards sexuality.

Approachable

Being easy to approach or talk to, friendly and open to communication.

Proper Names

Specific names given to individuals, places, or things, which uniquely identify them within a given context, often used for identification and reference.