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A person's face is 30 cm in front of a concave spherical shaving mirror.If the image is an erect image that is 1.5 times as large as the object,what is the focal length mirror?
Sensory Threshold
The minimum level of stimulus intensity required for a sense organ to detect a stimulus, marking the boundary between absence and presence of a sensation.
Working Memory
The cognitive system that holds information temporarily available for processing tasks such as problem-solving and planning.
Input Level
The degree or extent of resources, information, or material provided or required at the start of a process.
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