An Object Is Placed at the Focal Point of a Converging

question 14

Multiple Choice

An object is placed at the focal point of a converging lens of focal length f.What is the image distance?

• A)f
• B)2f
• C)1/f
• D)2/f
• E)at an infinite distance

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Definitions:

Spotface

A localized, flat surface machined on a part, typically around a hole, providing a seating surface for a fastener or bearing.

Bushings

Mechanical components used to reduce friction between rotating shafts and stationary support members, often serving as a replaceable lining.

Metric Thread

A standardized thread type used internationally, characterized by its metric dimensions, commonly used in bolts, screws, and nuts.

Internal Thread

The spiral grooves cut inside a hole intended to engage with an external thread, such as on a bolt, allowing for parts to be screwed together.