Photoelectrons are ejected from a photoelectrode and are detected at a distance of 2.50 cm away from the photoelectrode. The work function of the photoelectrode is 2.71 eV and the incident radiation has a wavelength of 420 nm. How long does it take a photoelectron to travel to the detector?
Alterations in Mental Health and Cognition on Test 1! What is mental health -Coping mechanisms: They get through experiences, exposure, the learn what is considered normal behaviors via parents, important authoritative people in lives, peers, trial-and-error. -Meeting milestones: What are some child or adolescent mental health issues we see in the media ADHD, Autism, depression and suicidal. Changes in sleep, changes in school performance….. Autism Spectrum Disorder (just know the typical autism and Asperger’s syndrome) -What are some typical S/S of autism and Asperger’s -Verbalizations maybe repetitive, repetitive behavior, sensory input overstimulation, routine oriented, milestones are not met appropriately, -Early Signs: not smiling, not making eye contact, eventually not meeting milestones -Late Signs: -Asperger’s have high intellect but poor social skills. -What causes autism: -We don’t know, advanced paternal age does have an influence, higher incidence in boys vs. girls. Increased incidence with: Down syndrome …. Genetic Immune response Abnormal neurotransmitters Increased incidence with Down syndrome Congenital rubella Fragile X syndrome Phenylketonuria -Prevalence: Care for the hospitalized child with autism: How do we ta