Thin Lenses: an Object Is Placed 100 Cm in Front

question 58

Multiple Choice

Thin lenses: An object is placed 100 cm in front of a lens of focal length 20 cm. A second lens is placed 35 cm beyond the first, this second lens having a focal length of 8.0 cm. If the height of the object is 6.0 cm, what is the height of the final image?

• A) 1.5 cm
• B) 12 cm
• C) 9.0 cm
• D) 3.0 cm
• E) 6.0 cm

---

Definitions:

Inhibitory

Referring to a process that decreases the likelihood of a neuron firing and transmitting its signal to other neurons.

Excitatory

Pertaining to or causing excitation, often referring to neurotransmitters or synaptic inputs that increase the likelihood of a neuron firing an action potential.

Parkinson's Disease

A neurodegenerative disorder that affects movement, causing symptoms such as tremors, stiffness, and slowness of movement.

Dopamine

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