Year 8 Light MCQ

Front

What is a spectrum?

Back

A spectrum is a range of colors produced when light is separated, such as when white light passes through a prism.

Front

What is white light made up of?

Back

White light is made up of many colors, which can be seen in a rainbow.

Front

How does a prism affect light?

Back

A prism can split white light into a spectrum of colors by bending the light at different angles.

Front

What is the angle of reflection?

Back

The angle of reflection is the angle at which light reflects off a surface, equal to the angle of incidence.

Front

What are rod cells?

Back

Rod cells are photoreceptor cells in the retina that detect light intensity but do not detect color.

Front

What are cone cells?

Back

Cone cells are photoreceptor cells in the retina that detect color and are responsible for color vision.

Front

What is the function of the lens in a camera?

Back

The lens focuses light onto the sensor to create a clear image.

Front

What does a camera sensor do?

Back

A camera sensor converts the light energy into electrical signals to create an image.

Front

What happens to light when it enters a lens?

Back

Light changes direction when it enters a lens due to refraction.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, such as from air to glass.