The Work Function of a Particular Metal Is $4.20 \times 10 ^{- 19} \mathrm {~J}$

question 5

Multiple Choice

The work function of a particular metal is $4.20 \times 10 ^{- 19} \mathrm {~J}$ What is the photoelectric cutoff (threshold) wavelength for this metal? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s)

• A)473 nm
• B)308 nm
• C)393 nm
• D)554 nm

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Definitions:

Abnormality

A deviation from the norm, which can refer to behaviors, conditions, or patterns that are not considered typical or expected.

Bizarre Behavior

Actions or conduct that markedly deviates from societal norms, often causing confusion or alarm in others.

Maladaptive Behavior

Actions or tendencies that are counterproductive to oneself or others, often reducing the ability to adequately face and deal with situations.

Personal Distress

A negative emotional response to witnessing the suffering of others, leading to a desire to alleviate that suffering.