Light and Sound Waves

The bending of a wave due to a change in its speed is

• interference
• reflection
• diffraction
• refraction

Tags

NGSS.MS-PS4-2

The interaction between waves that meet is

• reflection
• diffraction
• refraction
• interference

The ability of a medium to bounce back after being disturbed is called

• echolocation
• elasticity
• density
• interference

Which property of sound describes your perception of the energy of a sound?

• loudness
• intensity
• pitch
• wave speed

Tags

NGSS.MS-PS4-1

The electromagnetic waves with the longest wavelengths and lowest frequencies are

• radio waves.
• infrared rays.
• X-rays.
• gammy rays.

Tags

NGSS.4-PS4-1

When scientists talk about white light, they areMOST likely referring to light that is

• a combination of all of the colors in the visible region of the electromagnetic spectrum.
• the unabsorbed refracted light produced by a black light.
• the narrow band corresponding to white light in the electromagnetic spectrum.
• a combination of all the types of electromagnetic radiation.
  

Which of the following statements BEST describes visible light?

• Light is an electromagnetic wave of a single frequency that makes up a small part of the electromagnetic spectrum.
• Light is an electromagnetic wave of a single frequency that makes up most of the electromagnetic spectrum.
• Light includes a range of electromagnetic waves that make up a small part of the electromagnetic spectrum.
• Light includes a range of electromagnetic waves that make up most of the electromagnetic spectrum.
  

Which color of light is produced when all of the colors of visible light in the electromagnetic spectrum are combined?

• gray
• white
• black

Light waves are arranged in the electromagnetic spectrum by

• wavelength and brightness.
• speed and color.
• brightness and color.
• wavelength and frequency.
  

Tags

NGSS.HS-PS4-1

Which of these colors of visible light has the shortest wavelength?

• red
• green
• violet
• yellow

Tags

NGSS.4-PS4-1