Which are uses of lasers? Check all that apply.scanning barcodestransmitting telephone and Internet signalsexamining internal body partscutting through metals, ceramics, plastics, and clothcorrecting vision problems
virtual imagefocal point✔ object
Refer to the diagram to the left and use the drop-down menus to identify the parts of a magnifying glass.
objectvirtual image✔ focal point
Why does the sample on a microscope slide need to be very thin?
An arthroscope can be inserted into a knee joint through a very tiny incision to help a doctor examine the knee. A light is transmitted through the scope to illuminate the joint.What type of light technology is being described?
The technology being described is fiber optics. Fiber optic strands are used to transmit light into the body through small tubes, allowing doctors to illuminate and see inside joints or organs without major surgery.
Which are advantages of reflecting telescopes? Check all that apply.There is no rainbow-like halo around the image.Reflecting telescopes can be made very large.Reflecting telescopes use only lenses, not mirrors.Only the reflecting side of the primary mirror needs to be perfectly shaped and smooth.The eyepiece creates an image for the observer.
What is the correct sequence for light traveling through a microscope?
✔ refracting telescopereflecting telescopemagnifying telescope
Which type of device enables its users to see around corners?
concave lensmagnifying lens✔ convex lens
What did you include in your response? Check all that apply.
object✔ virtual imagelens
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