Amplitude & Intensity ม5

What is frequency?

• the number of vibrations per second

• how high or low a sound is

• the loudness or softness of a sound

• the back and forth movement of matter

Tags

NGSS.MS-PS4-1

Which of the following is a CORRECT statement?

• Sound can travel through the vacuum of space

• Sound can't travel through the vacuum of space

• Sound is produced in the vacuum of space

• Sound can travel between planets

List the order of mediums through which sound travels from fastest to slowest.

• Liquid, Gas, Solid

• Gas, Solid, Liquid

• Solid, Liquid, Gas

• Solid, Gas, Liquid

Sound waves are what kind of wave?

• Longitudinal
• Transverse
• Surface
• Electromagnetic

Tags

NGSS.MS-PS4-1

What happens when you increase the amplitude of a sound?

• it makes the sound louder
• it makes the sound travel faster
• it increases the wavelength of the sound
• it increases the frequency of the sound

Tags

NGSS.MS-PS4-1

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

Tags

NGSS.MS-PS4-1

How does a sound wave interact with a human ear?

• vibrates the ear drum
• bounces off the ear canal
• rotates the ear drum
• vibrates the ear canal

Tags

NGSS.MS-LS1-8

______________ is the amount of energy in a sound wave.

• Amplitude
• Echo
• Volume
• Vibration

Tags

NGSS.MS-PS4-1

What is the relation between Sound Intensity and Amplitude?

• A. They are Inversely Proportional

• B. They are Directly Proportional

• C. They are Non – Linearly Proportional

• D. None of these

Tags

NGSS.MS-PS4-1

What are the factors that influence Sound Intensity?

• A. Distance travelled by sound wave

• B. Amplitude of sound wave

• C. Both A and B

• D. Frequency of sound wave