Can I believe my eyes? Flashcard

Front

What is a shadow?

Back

A shadow is an area where light is completely blocked, creating a dark shape on a surface.

Front

What is reflection in terms of light?

Back

Reflection is the phenomenon where light bounces back when it hits a surface that it cannot pass through.

Front

What type of light can cause sunburns?

Back

Ultraviolet (UV) light is a type of light with a wavelength shorter than violet light that can cause sunburns.

Front

What is absorption in the context of light?

Back

Absorption is the phenomenon where light enters an object but does not leave it.

Front

What are optical illusions?

Back

Optical illusions are images that deceive or trick the eye, making us see something that is not there or different from reality.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, changing its speed.

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 a different medium.

Front

What is the wavelength of ultraviolet (UV) light compared to visible light?

Back

Ultraviolet (UV) light has a shorter wavelength than visible light, specifically shorter than violet light.

Front

What is the role of light in creating shadows?

Back

Light creates shadows by being blocked by an object, preventing it from reaching a surface.

Front

What is an example of a surface that reflects light?

Back

A mirror is a common example of a surface that reflects light.