Bats can produce sound of frequency about

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• C-07-Q070In air, the velocity of sound is proportional to
• C-07-Q071The velocity of sound in air and the air pressure are
• C-07-Q072The velocity of sound in air is inversely proportional to
• C-07-Q073As humidity in air increases, the velocity of sound in air
• C-07-Q074At 10°C the velocity of sound in air is 338 m/s. At 30°C its velocity will be approximately
• C-07-Q075The velocity of sound in any medium primarily depends on
• C-07-Q076The fetus inside a pregnant mother's womb is examined by a process called
• C-07-Q077To explore for gas or oil below the earth's surface one uses
• C-07-Q078The receiver used to detect reflected waves in a seismic survey is called a
• C-07-Q079An ultrasound cleaner removes dirt from small instruments by