Front

What is a Non-Luminous object?

Back

A Non-Luminous object is an object that does not create its own light. Examples include paper, books, and doors.

Front

Do Non-Luminous objects create their own light?

Back

No, Non-Luminous objects don't create their own light.

Front

What is Refraction?

Back

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

Front

What is Pitch in sound?

Back

Pitch is how high or low a sound is, and it is affected by the wavelength of the sound.

Front

What does a green object do with light?

Back

A green object reflects green light and absorbs all other colors.

Front

What is a Luminous object?

Back

A Luminous object is an object that produces its own light, such as the sun or a light bulb.

Front

What is the speed of light?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second.

Front

What is Sound?

Back

Sound is a type of energy made by vibrations that travels through air, water, or solids.

Front

What is the difference between Reflection and Refraction?

Back

Reflection is when light bounces off a surface, while refraction is when light bends as it passes through different materials.

Front

What is Wavelength?

Back

Wavelength is the distance between two consecutive peaks of a wave, and it affects the pitch of sound.