Light

What is the speed of light in a vacuum?

• Approximately 299,792 kilometers per second.

• Approximately 150,000 kilometers per second.

• Approximately 300,000 kilometers per second.

• Approximately 500,000 kilometers per second.

What is an example of a translucent material?

• Frosted glass

• Wood

• Plastic wrap

• Cardboard

What do we call the phenomenon when light spreads out after passing through a narrow opening?

• Refraction

• Diffraction

• Reflection

• Dispersion

What is the term for light that is scattered in many directions?

• Direct light

• Reflected light

• Diffuse light

• Converged light

What happens to light when it hits a black surface?

• It is reflected.

• It is transmitted.

• It is scattered.

• It is absorbed.

What is the difference between opaque and transparent materials?

• Opaque materials allow light to pass through, while transparent materials do not.

• Opaque materials do not allow light to pass through, while transparent materials do.

• Both opaque and transparent materials allow light to pass through.

• Opaque materials are always colored, while transparent materials are always clear.

Light travels in what direction?

• Curved paths.

• Straight lines.

• Zigzag patterns.

• Circular motions.

What do we call a material that DOES NOT allow light to pass through it?

• Transparent

• Translucent

• Opaque

• Reflective

What is the term for materials that allow light to pass through completely?

• Opaque

• Translucent

• Transparent

• Reflective

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

• Refraction

• Diffraction

• Reflection

• Absorption