Two Pure Tones Are Sounded Together and a Particular Beat

question 38

Multiple Choice

Two pure tones are sounded together and a particular beat frequency is heard.What happens to the beat frequency if the frequency of one of the tones is increased?

• A) It increases.
• B) It decreases.
• C) It does not change.
• D) It becomes zero.
• E) We cannot tell from the information given.

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Definitions:

Yalta Conference

A meeting held in February 1945 among the heads of government of the United States, the United Kingdom, and the Soviet Union (Roosevelt, Churchill, and Stalin) to discuss post-World War II reorganization of Europe and the establishment of the United Nations.

Protectorate

A state or territory partially controlled and protected by a more powerful country but retaining some degree of internal autonomy.

Pro-Soviet Government

Governments or political regimes that were aligned with or supportive of the Soviet Union during the Cold War, often influenced by communist ideology.

Dumbarton Oaks

The site in Washington, D.C., where discussions were held in 1944 that led to the creation of the United Nations.