A Projector Lens Is Needed to Form an Image on a Screen

question 10

Multiple Choice

A projector lens is needed to form an image on a screen 10 times the size of its corresponding object.The screen is located 6.0 m from the lens.What is the required focal length of the lens?

• A) 0.60 m
• B) 5.5 m
• C) 0.55 m
• D) 0.30 m
• E) ​0.67 m

---

Definitions:

Gneiss

A metamorphic rock that contains a gneissic foliation defined by a preferred orientation of crystals and generally by alternating lighter and darker colored bands.

Catskill Mountains

A mountain range located in southeastern New York, known for its picturesque landscapes and outdoor recreational activities.

Structural History

The record of geologic events that have shaped a region's earth materials and structures over time.

Metamorphic History

The geological history of a rock that has undergone transformation by heat, pressure, or chemically active fluids.