A Small Gas Laser of the Type Used in Classrooms

question 184

Short Answer

A small gas laser of the type used in classrooms may radiate light at a power level of 2.0 mW. If the wavelength of the laser light is 642 nm, how many photons does it emit per second? (c = 3.0 × 10⁸ m/s, h = 6.626 × 10^-34 J ∙ s)

Understand the harm caused by emotional abuse and the challenges in identifying it.

Differentiate between parenting practices and instances that may constitute abuse, with a focus on corporal punishment.

Learn how to engage and educate communities and families about child abuse prevention and the significance of advocacy efforts.

Understand the social and educational impacts of poverty and homelessness on children and families.

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Definitions:

Density

The number of people divided by the area of the space they share.

Displaced Aggression

A defense mechanism where a person redirects aggressive feelings or behaviors from the original source of provocation to a safer or more socially acceptable target.

Fight-Or-Flight Syndrome

A physiological response to perceived harmful events, attacks, or threats to survival, preparing the body to either confront or avoid danger.

Deindividuation

A sense of anonymity and loss of individuality, as in a large group, making people especially likely to engage in antisocial behaviors such as theft.