P.1.2 Light and Eye

Front

What type of wave is visible light?

Back

Visible light is an electromagnetic wave.

Front

Which color of visible light has the longest wavelength?

Back

Red has the longest wavelength in the visible spectrum.

Front

What type of radiation is produced in nuclear explosions and stars?

Back

Gamma radiation is produced in nuclear explosions and stars.

Front

What must the eye do to light waves before sending them to the brain?

Back

The eye must convert light waves into electrical signals before sending them to the brain.

Front

What type of radiation is responsible for sunburn?

Back

Ultraviolet radiation is responsible for sunburn.

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, including visible light.

Front

What is the relationship between wavelength and energy in electromagnetic waves?

Back

Longer wavelengths correspond to lower energy, while shorter wavelengths correspond to higher energy.

Front

What is the visible spectrum?

Back

The visible spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye, typically ranging from 380 to 750 nanometers.

Front

What is the role of the retina in vision?

Back

The retina converts light into electrical signals that are sent to the brain.

Front

What are the primary colors of light?

Back

The primary colors of light are red, green, and blue.