Unit Test — Unit test

Question 1

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

Revolt · Accepted Answer

constructive interference

Question 2

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 3

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 4

Which of these most directly affects what happens to white light when it hits an object?

Revolt · Accepted Answer

the properties of the object

Question 5

Which do sound waves travel fastest through?

Revolt · Accepted Answer

solids

Question 6

Selena made a diagram to compare and contrast transmitters and receivers. Which label belongs in the area marked X?

Revolt · Accepted Answer

Amplifies radio waves

Question 7

Yolanda is studying two waves. The first wave has an amplitude of 2 m, and the second has an amplitude of 3 m.

Revolt · Accepted Answer

She can use constructive interference to generate a wave with an amplitude of 3.5 m.

Question 8

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

Revolt · Accepted Answer

gamma rays

Question 9

Which property makes radio waves ideal for carrying and transmitting data?

Revolt · Accepted Answer

having long wavelengths

Question 10

Which situation would result in interference?

Revolt · Accepted Answer

a wave increasing in energy as it hits another wave

Unit Test — Unit test Answers

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