Using Light — Unit test

Question 1

The energy of microwaves is less than the energy of ultraviolet light. Which comparison of the energies of electromagnetic waves is correct?

Revolt · Accepted Answer

Gamma rays have higher energy than microwaves because gamma rays have shorter wavelengths.

Question 2

The diagram shows parts of a wave.Which is shown by the letter X?

Revolt · Accepted Answer

crest

Question 3

A doctor uses an instrument(s) that emits light and allows the doctor to view the inside of a patient’s intestine.

Revolt · Accepted Answer

fiber optics

Question 4

Jin has four colorful glass bottles on his windowsill. One is red, one is violet, one is green, and one is yellow. The light that passes through which bottle has the lowest frequency?

Revolt · Accepted Answer

red

Question 5

Which part of the electromagnetic spectrum is nearest to X-rays?

Revolt · Accepted Answer

gamma rays

Question 6

Which types of electromagnetic waves have wavelengths that are longer than those of visible light but shorter than those of microwaves?

Revolt · Accepted Answer

infrared light

Question 7

Bees can see into the ultraviolet region of the electromagnetic spectrum. Compared with humans, bees can sense electromagnetic waves that have

Revolt · Accepted Answer

a higher frequency and a shorter wavelength.

Question 8

Which best describes what happens if two waves meet and build on each other?

Revolt · Accepted Answer

constructive interference

Question 9

Which situation would result in interference?

Revolt · Accepted Answer

a wave increasing in energy as it hits another wave

Question 10

The waves created by two speed boats in a lake interact to form larger waves. This is an example of

Revolt · Accepted Answer

constructive interference.

Using Light — Unit test Answers

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