Wave Properties & Interactions Test Review (Siskind OLP)

Which kinds of lenses are in a light microscope?

• a concave objective lens and a convex eyepiece lens

• a convex objective lens and a concave eyepiece lens

• concave objective and eyepiece lenses

• convex objective and eyepiece lenses

Which best describes a difference between laser light and regular light?

• Laser light is less concentrated.

• Laser light has a beam that spreads out.

• Laser light is made of one specific color.

• Laser light pumps out light particles one at a time.

A clothing manufacturer uses lasers to cut patterns in fabric when making T-shirts.

Which best describes a benefit of using lasers instead of traditional cutting machines?

• Laser machinery does not require energy.

• Laser machinery is safer because its light is weak.

• Lasers save time by cutting through more layers of fabric.

• Lasers result in fewer injuries because they quickly become blunt.

An endoscope is a fiber-optic medical instrument that emits light. Doctors can insert endoscopes into hollow body parts. Which property of fiber-optic strands makes them most useful in endoscopes?

• They can create virtual images.

• They are decorative and colorful.

• They can transmit data quickly.

• They are small and flexible.

Which two animals use echolocation?

• bats and humans

• bats and dolphins

• dolphins and humans

• dolphins and butterflies

An ultrasound tech is trying to identify an object, but the screen of the machine is broken. Which statement best describes this situation?

• The generated sound wave will not be able to reflect off of the object.

• The sound wave will not be generated, so there will be no echoes received.

• The echoes will be made but will not be able to be received by the machine.

• The machine will not be able to process the received echoes into images.

What do digital signals turn sounds into?

• analog signals

• interference

• continuity

• zeros and ones

Which best describes the order of the technology used to transmit a sound through the radio?

• microphone → transmitter → microphone

• radio → transmitter → radio

• radio transmitter microphone

• microphone → transmitter → radio

After the 1600s, how did observations of light being refracted change the way most scientists thought about light?

• They no longer believed that light acted as waves.

• They began to believe that light acted as waves.

• They no longer believed that light acted as particles.

• They began to believe that light acted as particles.

When light bends as it passes from one transparent object to another, the light is ________.

Which best completes the statement?

• absorbed

• reflected

• refracted

• bounced