What Is the Threshold Frequency for a Surface with Work

question 34

Multiple Choice

What is the threshold frequency for a surface with work function 4.14 eV?

• A) 1.00 × 10¹² Hz
• B) 1.00 × 10¹³ Hz
• C) 1.00 × 10¹⁴ Hz
• D) 1.00 × 10¹⁵ Hz
• E) 1.00 × 10¹⁶ Hz

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Definitions:

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A parasitic infestation of lice on the human body, often affecting areas like the head, body, or pubic region.

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Scabies

An infectious skin disease resulting from minuscule mites tunneling into the dermis, causing severe itchiness and skin eruptions.

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