Using Light — Unit test Answers
When all else remains the same, what effect would decreasing the focal length have on a convex lens?
When light bends as it passes from one transparent object to another, the light is ________.Which best completes the statement?
Which part of the electromagnetic spectrum has the longest wavelengths?
Franny drew a diagram to compare images produced by concave and convex lenses.Which belongs in the area marked X?
The diagram shows the reflection of light from a mirror.
Light falling on the blind spot is not detected because it is the point where the retina connects to
Prisms separate ________ light, such as that from the Sun, by wavelength.Which best completes the statement?
Which part of the electromagnetic spectrum is necessary for the sense of sight in humans?
Which kinds of lenses are in a light microscope?
How is an image formed by a plane mirror?
Mina enters a dark movie theater, where it takes her eyes a minute to adjust to the darkness. Which change helps her see better in the dark?
A clothing manufacturer uses lasers to cut patterns in fabric when making T-shirts.
How does a convex mirror form an image?
Where do the three rays in a ray diagram start?
Which part of the eye is simply an opening through which light passes?
Which best describes what happens when light traveling through air enters water at an angle?
Which describes an image that a concave mirror can make?
Mavis looks through her father’s glasses and notices that everything looks smaller. What should she conclude about her father’s vision?
Green plants need light in order to survive. Structures in the leaves absorb light, which in turn, helps plants make their own food.Under which color of light will plants be least likely to make food?
After the 1600s, how did observations of light being refracted change the way most scientists thought about light?
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