Physical Science B - Final Exam Review Quiz (50 Questions)

What is a mechanical wave?

• A light wave

• A wave that requires a medium

• A nuclear reaction

• A magnetic field

What type of wave is a sound wave?

• Transverse wave

• Longitudinal wave

• Electromagnetic wave

• Surface wave

What property determines the pitch of a sound?

• Speed

• Frequency

• Wavelength

• Amplitude

What unit measures sound intensity?

• Hertz

• Watt

• Decibel

• Joule

What causes diffraction?

• Waves being absorbed

• Waves bending around a barrier

• Waves speeding up

• Waves being reflected

What is resonance?

• Random vibration

• When an object's natural frequency matches external vibration

• Reflection of waves

• Ultrasound

What is the Doppler Effect?

• Reflected wave

• Change in pitch due to motion

Which wave behavior involves a change in direction due to a new medium?

• Reflection

• Absorption

• Interference

• Refraction

Which wave behavior results in louder or quieter sounds due to interaction?

• Diffraction

• Interference

• Absorption

• Echo

What causes greater loudness in a sound wave?

• Shorter wavelength

• Larger amplitude

• Slower speed

• Lower frequency