You Have a Choice Between Two Lenses of Focal Lengths

question 70

Multiple Choice

You have a choice between two lenses of focal lengths f_a and f_b = 2 f_a to use as objective lens in building a compound microscope. If the magnification you obtain using lens A is M_a, what will be the magnification when using lens B?

• A) M_b = 2 M_a
• B) M_b = 4 M_a
• C) M_b = 8 M_a
• D) M_b = M_a /4
• E) M_b = M_a /2

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Definitions:

Axle

A rod or bar on which wheels turn or the housing that supports wheel assemblies. Also used to describe the shaft that transmits drive torque to the drive wheels.

Drivelines

Components, including the driveshaft, axles, CV joints, and differential, that transmit power from the engine to the wheels of a vehicle.

Torque Transfer

The process of transferring rotational force from one part of a mechanical system to another, allowing for movement and work to be done.

U-joints

Universal joints, flexible couplings that allow different parts of a drivetrain to pivot or rotate, accommodating changes in angle or alignment.