What Is the Photon Energy of Red Light Having a Wavelength

question 29

Multiple Choice

What is the photon energy of red light having a wavelength of 6.40 × 10² nm? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s)

• A)1.13 × 10^-19 J
• B)1.31 × 10^-19 J
• C)3.11 × 10^-19 J
• D)1.94 × 10^-19 J

---

Definitions:

Households

Economic units consisting of all individuals who live together and make joint decisions regarding consumption and other financial matters.

Businesses

Entities engaged in commercial, industrial, or professional activities with the goal of generating profits.

Product Market

A marketplace where final goods or services are offered to consumers, businesses, and the public sector.

Footballs

Spherical objects used in the game of football (soccer) or oval-shaped objects used in American football, both designed for being kicked, thrown, or carried to score points.