Quiz sobre luz y colores

Which of the following words is a synonym for the word rainbow?

• Reflections

• Retina

• Spectrum

• Wavelength

Which of the following words best describes an object that allows some but not all light to pass through?

• Reflective

• Transparent

• Opaque

• Translucent

Which of the following media is opaque?

• Water

• Brick

• Sunglasses

• Stained-glass window

Which of the following colors has the longest wavelength?

• Red

• Orange

• Green

• Blue

Which of the following is true about light? (Select all that apply.)

• Light travels in straight lines.

• A medium that allows light to continue traveling through it in a straight line is transparent.

• We can see without light energy.

• When we look at an object, we see the light it is absorbing.

• The color red has the longest wavelength.

The eye diagram is included to help the reader understand—

• how light moves through the eye.

• how the brain processes what we see.

• the part of the brain responsible for eyesight.

• the colors of the rainbow.

How does light behave before and after it reaches a green-colored wall?

The color of an object we see is determined by the 

• colors of light reflected by the object.
• frequencies of light absorbed by the object.
• colors of light shining on the object.
• all of the above

Sophia is observing a black t-shirt under sunlight. What occurs when the t-shirt takes in a light wave?

• reflection

• refraction

• absorption

• transparent

What is the best description of a translucent material?

• no light passes through the material

• some light passes through the material

• all light passes through the material