In a Scanning Tunneling Microscope the Probability of an Electron

question 20

Multiple Choice

In a scanning tunneling microscope the probability of an electron from the probe to tunnel through a 0.1-nm gap is 0.1%.Calculate the work function of the probe of the scanning tunneling microscope.

• A)3.8 eV
• B)38 eV
• C)5.6 eV
• D)12 eV
• E)45 eV

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Definitions:

Depressants

A category of drugs that reduce the functioning of the nervous system, often prescribed to relieve anxiety, induce sleep, or manage seizures.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, known for its addictive properties and illegal status in many countries.

Tranquilizers

Medications used to reduce tension or anxiety; also known as anxiolytics.

Barbiturates

A class of drugs that act as central nervous system depressants, often used as sedatives or sleeping aids.