Properties of Light

What is the speed of light in a vacuum?

• 299,792,458 meters per second

• 200,000,000 meters per second

• 300,000,000 meters per second

• 400,000,000 meters per second

What is the phenomenon where light changes direction when passing through a medium?

• reflection

• diffraction

• refraction

• dispersion

What is the unit of measurement for the frequency of light?

• Meters (m)

• Kilograms (kg)

• Seconds (s)

• Hertz (Hz)

What is the term for the bending of light as it passes from one medium to another?

• reflection

• diffraction

• refraction

• dispersion

What is the range of wavelengths that the human eye can perceive as visible light?

• 100-400 nm

• 700-1000 nm

• 400-700 nm

• 200-600 nm

What is the term for the bouncing back of light when it hits a surface?

• reflection

• refraction

• diffraction

• absorption

What is the color of light with the longest wavelength?

• red

• yellow

• green

• blue

What is the color of light with the shortest wavelength?

• red

• violet

• green

• blue

What is the term for the spreading out of light as it passes through a narrow opening?

• absorption

• diffraction

• refraction

• reflection

What is the term for the ability of an object to transmit light?

• transparency

• translucency

• opacity

• refraction