A Lens Is Made with a Focal Length of -40

question 79

Multiple Choice

A lens is made with a focal length of -40 cm using a material with index of refraction 1.50.A second lens is made with the SAME GEOMETRY as the first lens,but using a material having refractive index of 2.00.What is the focal length of the second lens?

• A) -40 cm
• B) -80 cm
• C) -53 cm
• D) -20 cm
• E) -30 cm

Understand the dynamics and preferences in elderly housing options in the United States.

Acknowledge the economic aspects of aging, including sources of income and poverty among older adults.

Comprehend the psychological and social impacts of living arrangements on the well-being of older adults.

Grasp the importance of interpersonal relationships and social attitudes in the well-being of older adults.

---

Definitions:

LIFO inventory cost method

A method in accounting where the last item of inventory purchased is the first one used or sold.

Ending inventory

The value of goods available for sale at the end of an accounting period, crucial for determining cost of goods sold and net income.

Perpetual inventory system

An inventory management approach where stock levels are updated continuously as transactions occur.

LIFO inventory cost method

An inventory valuation method that assumes the last items acquired are the first to be sold, affecting cost of goods sold and ending inventory.