What Is the Critical Frequency of an Incoming Light That

question 40

Multiple Choice

What is the critical frequency of an incoming light that ejects electrons from a metal whose work function is E_A = 5.02 eV? [h = 6.63 × 10^-34 J s, 1 eV = 1.6 × 10^-19 J]

• A)1.2 × 10¹⁵ Hz
• B)2.5 × 10¹⁵ Hz
• C)4.7 × 10¹⁵ Hz
• D)7.6 × 10¹⁵ Hz

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Definitions:

Activity-based Costing

A costing method that assigns overhead and indirect costs to specific activities related to production.

Departmental Overhead Rates

The method for allocating overhead costs to specific departments based on relevant allocation bases, such as labor hours or machine hours.

Budgeted Activity Rate

The estimated rate or cost of business activities based on the budget for a specific period, often used for forecasting and planning purposes.

Reciprocal Services Method

A method of allocating service department costs to producing departments by considering the interdepartmental exchanges of services.