Pretest-Light and Color

If an object absorbs all the light that hits it, what would be its color?

• Black

• Blue

• Green

• White

Which statement is NOT true about light?

• It is a particle and a wave.

• It has mechanical and transverse waves.

• It has mechanical and longitudinal waves.

• It has electromagnetic and transverse waves.

What is the color of visible light with the longest wavelength?

• Blue

• Red

• Violet

• Yellow

What is the color of visible light with the highest frequency?

• Blue

• Red

• Violet

• Yellow

These materials allow light to be transmitted through them easily.

• Translucent

• Transparent

• Opaque

• Refraction

A shirt reflects all light, what color is the shirt?

• A. Black

• B. Blue

• C. Magenta

• D. White

If an object reflects red and green light, what color does the object appear to be?

• Green

• Purple

• Red

• Yellow

Joed wants to list types of radiation on their energy levels. Which list shows the order of radiation types from highest to lowest energy?

• infrared radiation, microwaves, radio waves, visible light, x-rays, gamma rays, UV rays

• x-rays, gamma rays, infrared radiation, microwaves, radio waves, UV rays, visible light

• visible light, infrared radiation, UV rays, microwave, radio waves, x-rays, gamma rays

• gamma rays, x-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves.

Study the figure. When white light shines through a prism, the light is separated into different light colors. Which of the following orders of light color is CORRECT?

• red, orange, yellow, green, blue, and violet

• red, orange, yellow, green, blue, violet, and indigo

• red, orange, yellow, blue, violet, green, and indigo

• red, orange, yellow, green, blue, indigo, and violet

What type of electromagnetic radiation can damage cells of living things and is blocked by Earth’s ozone layers?

• Infrared

• Microwave

• Ultraviolet

• Visible