Calculate the Energy in Joules of Microwave Radiation of Wavelength

question 30

Multiple Choice

Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = hν, h = 6.63 × 10^-34 J sec; speed of light = wavelength × ν, speed of light = 3 × 10⁸ meters/sec.)

• A)4.87 × 10¹⁹ J
• B)7.30 × 10^-19 J
• C)3.61 × 10^-18 J
• D)1.56 × 10^-24 J

---

Definitions:

Average Cost Formula

A method used in accounting and inventory management to determine the cost of goods sold and the ending inventory value by calculating the average cost of all similar items.

FIFO

"First In, First Out," an inventory valuation method that assumes goods are sold in the order they are acquired.

Gross Profit

The difference between the revenue generated from selling goods or services and the cost of goods sold, excluding indirect expenses like administration costs.

Average Cost Formula

A method used in accounting to calculate the cost of goods sold and ending inventory through dividing the total cost of goods available for sale by the total units available for sale.