The Number of Photons Per Second Passing a Plane Perpendicular

question 22

Multiple Choice

The number of photons per second passing a plane perpendicular to a collimated monochromatic (one frequency) beam of light transporting power P is directly proportional to:

• A)the wavelength of the light.
• B)the frequency of the light.
• C)the power of the beam.
• D)increase the wavelength, frequency and power..
• E)increase the wavelength and power but not the frequency.

---

Definitions:

Poor Countries

Nations with low levels of income per capita, often characterized by limited industrial development, insufficient basic infrastructure, and a high degree of economic vulnerability.

Goods And Services

Refers to the total set of products and services that are made available for purchase and consumption by individuals and organizations.

Economic Growth

The rise in the real value of goods and services that an economy produces over time, adjusted for inflation.

20th Century

The period from January 1, 1901, to December 31, 2000, characterized by unprecedented technological, cultural, and political changes.