Which Particle Below Has the Smallest Mass

question 28

Multiple Choice

Which particle below has the smallest mass?

• A)neutral pi-meson (pion)
• B)neutral k-meson (kaon)
• C)proton
• D)neutron

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Definitions:

Zero-Argument Constructor

A constructor method in a class that does not require any parameters to create an instance of the class.

GetMessage

A function or method in many event-driven interfaces that retrieves messages or events from the event queue for the application to process.

DiskDriveNotReady

DiskDriveNotReady refers to an error condition indicating that a computer's disk drive is not in a ready state to read or write data.

Zero-Argument Constructor

A constructor in a class that takes no parameters, often used to create an instance of the object with default values.