REQUIRED Waves Test 2 Review (Updated 2023)

Front

What is the job of the retina?

Back

Converting light into electronic signals.

Front

Which layer inside the eye contains rods and cones?

Back

Retina.

Front

True or false: as you move along the spectrum, radio to gamma waves, the wavelengths decrease in size (get smaller).

Back

True.

Front

Why does scattering of light occur?

Back

Light rays are blocked and reflected to all directions by the clouds or particles in the air.

Front

What is the bending of light that happens when light travels through different mediums?

Back

Refraction.

Front

What are rods and cones?

Back

Rods are photoreceptor cells in the retina that detect light intensity, while cones detect color.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, including radio waves, visible light, and gamma rays.

Front

What is reflection of light?

Back

The bouncing back of light rays when they hit a surface.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing of light off a surface, while refraction is the bending of light as it passes through different mediums.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (km/s).