You Need 14 W of Infrared Laser Light Power with Wavelength

question 52

Multiple Choice

You need 14 W of infrared laser light power with wavelength 1270 nm to bore a hole in a diamond.How many downward atomic transitions per second must occur in the laser if all of them result in light directed onto the diamond? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J • s)

• A) 8.9 × 10¹⁹
• B) 8.9 × 10¹⁸
• C) 5.9 × 10¹⁹
• D) 2.7 × 10¹⁸

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Definitions:

Physiological Effects

The physical changes and responses in the body resulting from various factors, including stress, drug use, and disease.

Psychological Effects

The emotional or mental impact resulting from specific events, situations, or stimuli.

Psychological Dependence

A condition in which an individual feels a compelling emotional need to continue using a substance.

Physical Dependence

A physiological state of adaptation to a substance, characterized by the onset of withdrawal symptoms when the substance is reduced or discontinued.