On a Bright and Sunny Day, the Intensity of Solar

question 37

Short Answer

On a bright and sunny day, the intensity of solar radiation on the Earth's surface is 1 000 W/m². If the average wavelength of the sunlight is 500 nm, how many photons are incident on a square meter of the Earth's surface per second?

---

Definitions:

Sample Space

The set of all possible outcomes of a random experiment or observation.

Discrete Random Variable

A variable that can take on a countable number of possible values, often representing counts or categories.

Expected Value

The long-run average or mean value of random variables, indicating the anticipated outcome of an experiment if it were repeated many times.

Discrete Random Variable

A variable that assumes a finite number of unique values, typically signifying the results of a stochastic process.