Visible Light & Electromagnetic Spectrum

Front

The diagram shows the relative positions of a light source, apple, paper, and person. The person can’t see the apple. Which of the following correctly describes the light interactions taking place in the diagram? Options: Light is absorbed by, not transmitted through, the paper. Light is reflected off the apple, but absorbed by the light source. Light from the light source is reflected only off the apple. Light is transmitted through the paper and then reflected off the apple.

Back

Light is absorbed by, not transmitted through, the paper.

Front

The idea that light is not matter is supported by which of the following evidence?

• Light bounces off most objects.
• Light can be separated into colors.
• Light can be absorbed by objects.
• Light does not have mass or volume.

Back

Light does not have mass or volume.

Front

The diagrams provided here represent two light waves. Which conclusion is supported by the data provided in the diagrams?

Back

Light Wave #1 will appear brighter than Light Wave #2.

Front

Why does a rainbow happen when sunlight passes through water droplets in the air?

Back

Light of different wavelengths is bent at different angles.

Front

Humans see different colors because our eyes are responding to light that is different in which characteristic? Options: Speed, Amplitude, Angle, Wavelength

Back

Wavelength

Front

Why does a pencil appear broken when placed in a glass of water?

Back

Light rays are bent by the water in the glass

Front

The illustration shows the path of a laser leaving a laser pointer. At what point is the laser being absorbed?

Options: Point A, Point B, Point C, Point D

Back

Point D

Front

What device did Apollo 11 astronauts place on the moon to help calculate the distance from Earth to the moon using lasers?

Back

bounce the laser light back to Earth.

Front

Which of the following is the best example of an object absorbing light? Options: A black sweater in the sun, A clean window in the sun, A curved mirror in the sun, A long shadow in the sun

Back

A black sweater in the sun

Front

What type of cover should engineers design for solar panels to protect photovoltaic cells from moisture while allowing sunlight to pass through?

Back

waterproof and transmits light