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An object is placed 20 cm in front of a concave spherical mirror. Sketch ray diagrams and give the general characteristics of the images for mirrors with radii of curvature of (a) R = 30 cm and (b) R = 10 cm.
Norepinephrine
A neurotransmitter and hormone involved in arousal, alertness, and regulation of blood pressure, among other physiological processes.
Manic Episode
a period of abnormally elevated mood, arousal, and energy levels, often seen in bipolar disorder.
Neurotransmitter
A chemical substance released at the end of a nerve fiber by the arrival of a nerve impulse, transmitting the impulse to another nerve fiber, a muscle fiber, or some other structure.
Chronic Depression
A prolonged state of depression that lasts for years, often characterized by persistent sadness and loss of interest.
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