The Objective Lens and the Eyepiece of a Microscope Have

question 55

Multiple Choice

The objective lens and the eyepiece of a microscope have focal lengths of 4.0 mm and 25 mm,respectively.The objective produces a real image 30 times the size of the object,with the final image viewed at infinity.The near point of the microscope user is at 25 cm.What is the distance between the objective lens and the real image that it produces?

• A)116 mm
• B)120 mm
• C)124 mm
• D)128 mm
• E)132 mm

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Definitions:

Physical Length

The measurable extension of an object from one end to the other in a physical space.

CAN L (-)

The low signal line of the Controller Area Network, a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other within a vehicle.

Voltage Potential

Voltage potential is the electrical potential difference between two points in an electric field, which motivates the flow of charge (current) when a circuit is connected.

J1939 Bus

A vehicle bus standard used for communication and diagnostics among vehicle components, primarily in the commercial vehicle industry.