Understanding Waves

What is required for mechanical waves to travel?

• High temperature

• A medium

• Electricity

• A vacuum

What type of wave is created when particles move up and down while the wave moves horizontally?

• Electromagnetic wave

• Longitudinal wave

• Transverse wave

• Seismic wave

Which type of wave is sound?

• Transverse

• Longitudinal

• Electromagnetic

• Mechanical

Which waves do not require a medium to travel?

• Sound waves

• Water waves

• Electromagnetic waves

• Slinky waves

What does the amplitude of a wave measure?

• The energy of the wave

• The distance between crests

• The height of the crest

• The speed of the wave

What unit is used to measure frequency?

• Hertz

• Amperes

• Meters

• Watts

What symbol represents wavelength?

• Lambda (λ)

• Gamma (γ)

• Beta (β)

• Alpha (α)

What happens when two waves meet?

• They disappear

• They pass through each other

• They stop

• They reflect

What is the range of human hearing in Hertz?

• 0 to 20 Hz

• 100 to 10,000 Hz

• 500 to 15,000 Hz

• 20 to 20,000 Hz

What practical applications use gamma rays?

• Radio communication

• Cooking food

• Industry

• Listening to music