Unit 4 Waves and their applications

What do all waves carry from one place to another?

• Matter

• Energy

• Water

• Sound

The height of a wave from its rest position to its crest is known as the:

• Wavelength

• Frequency

• Amplitude

• Trough

Which part of the wave is the highest point?

• Trough

• Crest

• Amplitude

• Wavelength

What is the term for the distance between two consecutive crests of a wave?

• Amplitude

• Frequency

• Wavelength

• Speed

Which of the following waves does not require a medium to travel?

• Sound waves

• Water waves

• Light waves

• Seismic waves

Which of the following is a type of mechanical wave?

• Light wave

• Radio wave

• Sound wave

• Microwave

What happens to the energy of a wave as its amplitude increases?

• It decreases

• It remains the same

• It increases

• It doubles

What is the term for the number of waves that pass a point in one second?

• Amplitude

• Wavelength

• Frequency

• Speed

Which type of wave is used in communication technologies like radios and televisions?

• Sound waves

• Light waves

• Radio waves

• Water waves

Which of the following waves has the highest frequency?

• Radio waves

• Microwaves

• Infrared waves

• Gamma rays