31 Do Now

What is the formula to calculate wave speed?

Which unit is used to measure frequency?

• Meters (m)

• Hertz (Hz)

• Joules (J)

• Seconds (s)

How is amplitude related to the energy of a wave?

• Amplitude is inversely proportional to energy.

• Amplitude is directly proportional to the square of energy.

• Amplitude is directly proportional to energy.

• Amplitude is unrelated to energy.

What is the typical method to measure the frequency of a wave?

• Using a ruler

• Using a stopwatch

• Using an oscilloscope

• Using a thermometer

What is the wavelength of a wave if its speed is 300 m/s and its frequency is 50 Hz?

• 6 m

• 5 m

• 4 m

• 3 m

Which of the following is a property of mechanical waves?

• They can travel through a vacuum.

• They require a medium to travel.

• They do not transfer energy.

• They are electromagnetic in nature.

What is the relationship between wave speed, frequency, and wavelength?

• Wave speed is the product of frequency and wavelength.

• Wave speed is the sum of frequency and wavelength.

• Wave speed is the difference between frequency and wavelength.

• Wave speed is the quotient of frequency and wavelength.

Which instrument is commonly used to measure the amplitude of a wave?

• Barometer

• Oscilloscope

• Thermometer

• Voltmeter

What is the unit of wave speed?

• Meters per second (m/s)

• Hertz (Hz)

• Joules (J)

• Seconds (s)

In seismic waves, what does the wavelength represent?

• The height of the wave

• The distance between two consecutive crests

• The time taken for one complete cycle

• The energy of the wave