An Object and a Screen Are Separated by 26

question 50

Multiple Choice

An object and a screen are separated by 26.0 cm.A convex lens is placed between them,9.00 cm from the object.In this position it causes a sharp image of the object to form on the screen.What is the focal length of the lens?

• A) 6.69 cm
• B) 19.1 cm
• C) 5.88 cm
• D) 13.8 cm
• E) ​8.50 cm

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Definitions:

Dopamine

A neurotransmitter involved in many functions, including mood, sleep, learning, and the reward system, influencing both movement and emotional responses.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays a crucial role in muscle contraction and the modulation of alertness, memory, and learning.

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits nerve transmission, playing a role in reducing neuronal excitability.

Glutamate

A major excitatory neurotransmitter in the nervous system involved in memory, learning, and brain development.