You Are Given Two Converging Lenses to Build a Compound

question 95

Multiple Choice

You are given two converging lenses to build a compound microscope. Lens A has focal length 0.50 cm and lens B has focal length of 3.0 cm. Which of the two lenses would you use for the objective?

• A) Lens A, because it has the shorter focal length.
• B) Lens B, because it has the longer focal length.
• C) It makes no difference which lens I use for the objective.
• D) None, because the objective should be a diverging lens.

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Definitions:

Output Module

A component in PLC systems that provides physical output based on the program logic, like activating motors or lights.

Optical Isolator

A device that uses light to transfer an electrical signal between elements of a system while keeping them electrically isolated.

Electrical Noise Interference

Unwanted disturbances superimposed on a useful signal that degrade the quality of signal transmission or processing.

Logic Circuits

Electronic circuits that employ logic gates to perform specific logical operations, resulting in binary output based on one or more binary inputs.