Properties of Light

What is a shadow?

• A shadow is formed when an opaque object blocks light from reaching a surface.

• A shadow is a reflection of an object on a surface.

• A shadow is created by the absence of light in a space.

• A shadow is a type of light that is visible in the dark.

What is light?

• Light is a form of energy that travels in waves and can move through empty space.

• Light is a solid object that reflects colors.

• Light is a type of sound that can be heard in a vacuum.

• Light is a gas that fills the atmosphere.

What is a medium in the context of light?

• A medium is a type of light source.

• A medium is a material through which a wave travels.

• A medium is a measurement of light intensity.

• A medium is a color filter used in photography.

What is reflection in terms of light?

• Reflection is when light bounces off a surface.

• Reflection is when light passes through a medium.

• Reflection is the absorption of light by a surface.

• Reflection is the scattering of light in different directions.

What is a lens?

• A curved piece of glass that bends light rays.

• A flat piece of plastic that reflects sound waves.

• A spherical object that absorbs light.

• A transparent material that blocks UV rays.

What is refraction?

• Refraction is the bending of light as it passes from one medium to another.

• Refraction is the reflection of light when it hits a surface.

• Refraction is the absorption of light by a material.

• Refraction is the scattering of light in different directions.

What is a prism?

• A solid object that reflects light in a single color.

• A piece of glass that separates rays of light into different colors.

• A type of lens used to magnify objects.

• A device that absorbs light and converts it into heat.

What is the difference between a concave and convex lens?

• A concave lens is thicker in the center and focuses light, while a convex lens is thinner in the center and spreads light out.

• A concave lens is thicker in the center and spreads light out, while a convex lens is thinner in the center and focuses light.

• A concave lens is thinner in the center and spreads light out, while a convex lens is thicker in the center and focuses light.

• A concave lens and a convex lens are the same and have no difference.

What does it mean for an object to be transparent?

• Transparent objects allow light to pass through them.

• Transparent objects are completely solid and opaque.

• Transparent objects reflect all light that hits them.

• Transparent objects absorb all light without allowing it to pass.

What is the speed of light?

• 150,000 kilometers per second

• 299,792 kilometers per second

• 300,000 kilometers per second

• 400,000 kilometers per second