Photons of What Minimum Frequency Are Required to Remove Electrons

question 37

Multiple Choice

Photons of what minimum frequency are required to remove electrons from gold? Note: The work function for gold is 4.8 eV.

• A)7.3 × 10¹⁴ Hz
• B)1.2 × 10¹⁵ Hz
• C)3.8 × 10¹⁷ Hz
• D)6.5 × 10¹⁵ Hz
• E)4.6 × 10¹⁴ Hz

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Definitions:

Widgets

A generic term for an unspecified, hypothetical product used in economic and business analysis.

Price Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, ceteris paribus.

Beef

The flesh of a cow, steer, or bull raised and killed for its meat.

Price Elasticity of Demand

The response level of the demand for a product to variations in its price, determined by dividing the percentage change in the demanded quantity by the percentage change in the price.