Thin Lenses: an Object Is Placed 100 Cm in Front

question 30

Multiple Choice

Thin lenses: An object is placed 100 cm in front of a diverging lens with a focal length of magnitude 25 cm. A converging lens having a focal length of magnitude 33.33 cm is placed 30 cm past the first lens. Where is the final image formed?

• A) 30 cm after the second lens
• B) 20 cm in front of the first lens
• C) 3.0 meters before the second lens
• D) 100 cm after the second lens
• E) 3.0 cm before the second lens

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Definitions:

Bottom-up Processing

A cognitive approach where perception starts with the input from the environment and builds up to the formation of concepts in the mind.

Top-down Processing

A cognitive process that starts with the brain applying what it knows to interpret sensory information, using expectations and experiences to perceive the environment.

Reciprocal Teaching

A teaching method where students take turns leading a discussion or teaching, enhancing comprehension and learning through mutual engagement.

Instructional Discourse

The form of communication used in educational settings, characterized by the exchange of knowledge, ideas, and feedback between teachers and students.