By What Factor Does the Total Energy Emitted Per Unit

question 220

Multiple Choice

By what factor does the total energy emitted per unit time at all wavelengths from an opaque, perfectly absorbing object increase if its temperature increases by a factor of 3 (e.g., approximately from room temperature to 900 K) ?

• A) 27
• B) 3
• C) 9
• D) 81

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Definitions:

Contraceptives

Methods or devices used to prevent pregnancy.

Sexually Active

Individuals who engage in sexual activities, implying various forms of sexual intercourse.

Sexual Identity

The personal sense of one's own gender and sexual orientation, including how individuals perceive themselves and what they call themselves in terms of being attracted to other genders.

Evolving Process

A process characterized by gradual changes and developments over time.