The Wavelength of the Blue Light Given Off by a Mercury

question 78

Multiple Choice

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the energy of this light in joules?

• A)4.56 × 10⁻²⁸ J
• B)4.56 × 10⁻¹⁹ J
• C)8.67 × 10⁻³² J
• D)8.67 × 10⁻²³ J
• E)9.63 × 10⁻⁴⁰ J

---

Definitions:

Conventional Level

A phase in Kohlberg's theory of moral development where moral reasoning is based on conforming to social rules and norms.

Formal Operational

The final stage in Jean Piaget's theory of cognitive development, marked by the ability to think abstractly, logically, and systematically.

Postconventional Level

A stage of moral development in which individuals make choices based on ethical principles.

Moral Development

The procedure by which individuals learn to adopt correct mannerisms and conduct towards fellow community members, guided by the norms, regulations, and legal frameworks of society and culture.