Which Has the Shortest Wavelength

question 24

Multiple Choice

Which has the shortest wavelength?

• A) 500 nm light
• B) 10¹⁵ Hz light
• C) an electron traveling at 2×10⁵ m s^-1
• D) a 10 g mass traveling at 10 m s^-1
• E) there is no way to know

---

Definitions:

Marginal Decision Rule

A principle stating that an action should be taken if, and only if, the marginal benefit of the action exceeds its marginal cost.

Marginal Revenue

The extra revenue gained from the sale of an additional unit of a product or service.

Perfect Competition

A market structure characterized by many buyers and sellers, freedom of entry and exit, and a homogeneous product.

Perfectly Elastic

A situation in economic theory where the quantity demanded or supplied of a good changes infinitely in response to any change in price.