As Shown Below, a Garden Room Has Three Walls, a Floor

question 6

Multiple Choice

As shown below, a garden room has three walls, a floor and a roof, but is open to the garden on one side. The wall widths are L and w. The roof height is h. When traveling sound waves enter the room, standing sound waves can be present in the room if the wavelength of the standing waves is

• A) , where n is a positive integer.
• B) , where n is an odd integer.
• C) , where n is an even integer.
• D) in all cases listed above.
• E) given by (a) or (b) above, but not by (c).

---

Definitions:

Competitive Market

A market structure characterized by a large number of sellers and buyers where no single participant can significantly influence the price of goods or services.

Interest Rates

The proportion of a loan that is charged as interest to the borrower, typically expressed as an annual percentage of the loan outstanding.

Interest-Sensitive Goods

These are goods whose demand fluctuates in response to changes in interest rates, often because they involve large financial investments or credit to purchase.