Speech Tips

What is the primary function of the vocal cords in human speech?

• To produce sound by vibrating

• To filter air entering the lungs

• To amplify sound waves

• To detect sound frequencies

Which part of the brain is primarily responsible for processing speech and language?

• Cerebellum

• Broca's area

• Occipital lobe

• Hippocampus

What is the speed of sound in air at room temperature?

• 343 m/s

• 299,792 km/s

• 1,225 km/h

• 150 m/s

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Which gas is most responsible for the transmission of sound in the atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

What is the term for the study of sound and its properties?

• Acoustics

• Optics

• Thermodynamics

• Kinetics

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Which of the following is a unit of frequency?

• Hertz

• Newton

• Pascal

• Joule

What is the phenomenon called when sound waves bend around obstacles?

• Reflection

• Refraction

• Diffraction

• Absorption

Which type of wave is sound classified as?

• Transverse wave

• Longitudinal wave

• Surface wave

• Electromagnetic wave

What is the effect of temperature on the speed of sound in air?

• Speed increases with temperature

• Speed decreases with temperature

• Speed remains constant

• Speed is independent of temperature

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Which device is used to measure the frequency of sound waves?

• Oscilloscope

• Barometer

• Thermometer

• Spectrometer

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