beat

Table of Contents

Introduction References & Edit History Related Topics

Images

Wave graphs illustrating how beat notes are produced by two different frequencies

Figure 12: A simple beat wave of amplitude ξ moving with velocity U (see text).

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$Light refraction image with a cube. Prism$

How Is Light Both a Particle and a Wave?

Discover

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Monitor. Varanus salvadorii is a monitor lizard found in New Guinea can grows to 2.7 metres (9 ft.) aka Tree crocodile, Crocodile monitor, Salvadori's monitor, artellia, reptile

7 of the World’s Most Dangerous Lizards and Turtles

Colorful winter sunset

What's the Difference Between a Solstice and an Equinox?

World Data Locator Map: Australia

Is Australia an Island?

Indian hijras participate in a religious procession in Gandhinagar, India, some 30 kilometers from Ahmedabad, on March 22, 2017. Hijra is a term used in South Asia which refers to transgender individuals who are born male. (gender identity, gender expression)

6 Cultures That Recognize More than Two Genders

Panama Canal infographic

Timeline and Map of the Panama Canal

The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

beat: References & Edit History

More Articles On This Topic

Assorted References

result of interference
- In interference
- In sound: Beats

Article Contributors

Primary Contributors

The Editors of Encyclopaedia Britannica

Other Encyclopedia Britannica Contributors

Yamini Chauhan

Article History

Type	Description	Contributor	Date
	Deleted Web site: Yet another interactive Java applet; also shows equation of combined waves, including phase angle.	Yamini Chauhan	Oct 22, 2013
	Article added to new online database.	The Editors of Encyclopaedia Britannica	Jul 20, 1998