An Object,located 90 Cm from a Concave Lens,forms an Image

question 72

Multiple Choice

An object,located 90 cm from a concave lens,forms an image 60 cm from the lens on the same side as the object.What is the focal length of the lens?

• A)-36 cm
• B)-75 cm
• C)-180 cm
• D)-150 cm

---

Definitions:

Acute Phase

The initial stage of a disease or condition, marked by severe and rapidly onset symptoms that demand immediate medical attention.

Intensive Care Unit

A specialized department in a hospital that provides critical care and life support for acutely ill and injured patients.

Acute Care Unit

A hospital department designed to provide immediate treatment for severe, life-threatening conditions.

Emergency Department

A specialized department in a hospital providing immediate care for sudden or severe injuries and illnesses.