A Light-Emitting Diode Has a Power Output of 0

question 33

Multiple Choice

A light-emitting diode has a power output of 0.3 W. If 590 nm is the average wavelength of the source, about how many photons are emitted per second? (h = 6.63 *10^-34 J.s, c = 3.00 *10⁸ m/s, and 1 nm = 10^-9 m)

• A) 10²¹
• B) 10²⁵
• C) 10¹⁸
• D) 10²⁹

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Definitions:

Experience Seeking

The pursuit of new, varied, complex, and intense sensations and experiences, often characterized as a personality trait associated with openness to new experiences.

Internally Oriented

Focused on one's inner thoughts, feelings, and experiences as opposed to being influenced by external circumstances or opinions.

External Locus

A belief system where an individual attributes their successes and failures to external factors and influences rather than their own efforts.

Control

The power to influence or direct people's behavior or the course of events, often studied as a trait that contributes to psychological well-being when effectively balanced.