Examlex
A diffraction grating x = 1.30 cm wide produces a first order maximum at = 5.90 degrees with light of wavelength 590.0 nm.What is the number of lines in the grating?
Sexual Impulses
Natural, spontaneous desires or urges related to sexual activity.
Pleasure Principle
A concept in psychoanalytic theory referring to the instinctual seeking of pleasure and avoiding pain to satisfy biological and psychological needs.
Id
In psychoanalytic theory, the part of the psyche that is the source of instinctual impulses and demands for immediate satisfaction of primitive needs.
Thanatos
In psychoanalytic theory, the death drive representing an unconscious wish for death or self-destruction.
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