A 80-Cm Focal Length Thin Lens Is Placed in Contact

question 5

Multiple Choice

A 80-cm focal length thin lens is placed in contact with one of 59.2 cm focal length.An object is placed 51 cm in front of the combination.What is the image distance?

• A) 20.0 cm
• B) 191 cm
• C) 42.0 cm
• D) 102 cm
• E) ​25.5 cm

---

Definitions:

Hallucinogen

A substance that induces alterations in perception, mood, and thought, often resulting in visual or auditory hallucinations.

Amphetamine

A potent central nervous system stimulant used medicinally in the treatment of attention deficit hyperactivity disorder (ADHD), narcolepsy, and obesity, but also misused illegally for its energetic and euphoric effects.

Central Nervous System

The central nervous system consists of the brain and spinal cord, functioning as the primary processing center for the body's nervous system.

Stimulant

A substance that raises levels of physiological or nervous activity in the body, typically used to increase alertness, energy, or physical performance.