PROBLEM 2 Examine the table below for the work functions of a few metals. Choose three metals and compute the minimum frequency of light required to eject electrons in each case. Metal Work Function (in eV) 2.30 Minimum Frequency Potassium Sodium 2.75 Aluminum 4.28 Tungsten 4.55 Copper 4.64 Iron 4.70 Gold 5.10

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A: Given

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.