Examlex
In a single-slit diffraction experiment, the central maximum is broadened if the wavelength of light is increased.
Attachment Figure
An individual who provides a child with emotional and physical security, often a parent or primary caregiver.
Social Smile
A smile that occurs in response to a human voice or face.
Human Voice
The sound produced by humans using the vocal folds for talking, singing, laughing, crying, screaming, etc.
Human Face
The front part of a person's head, including the forehead, eyes, nose, mouth, and jaw, used for expression and identification.
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