The Current Temperature of the Cosmic Background Radiation of 2

question 63

Multiple Choice

The current temperature of the cosmic background radiation of 2.73 K means that the peak of its spectrum occurs at a wavelength of

• A) 0.1 µm.
• B) 1 µm.
• C) 10 µm.
• D) 100 µm.
• E) 1,000 µm.

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Definitions:

Byte

A unit of digital information in computing and telecommunications that most commonly consists of eight bits.

Int

A data type used in programming to represent integer values.

Input Stream

A stream that reads data into a program, often from a file, network connection, or keyboard input.

Output Stream

A stream used for writing data to a destination, which could be a file, an array, a network socket, or another program.