AnswersFall 24 GSE Physical Science B ICRefraction and Lenses

Refraction and Lenses — Unit test Answers

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A 2-column table with 4 rows. The first column labeled wave has entries W, X, Y, Z. The second column labeled Observations has entries its motion is perpendicular to wave motion, its particles move up and down, its particles only move small amounts, its motion is parallel to wave motion.

Question illustration
A
Waves W and Y are transverse waves, Wave X could be a longitudinal or transverse wave, and Wave Z is a longitudinal wave.
B
Waves W and Y are longitudinal waves, Wave X could be a longitudinal or transverse wave, and Wave Z is a transverse wave.
C
Waves W and X are longitudinal waves, Wave Y could be a longitudinal or transverse wave, and Wave Z is a transverse wave.
D
Waves W and X are transverse waves, Wave Y could be a longitudinal or transverse wave, and Wave Z is a longitudinal wave.
2
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The diagram shows parts of a wave.Which is shown by the letter X?

Question illustration
A
trough
B
amplitude
C
crest
D
wavelength
3

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

A
Gamma rays have higher energy than microwaves because gamma rays have shorter wavelengths.
B
Gamma rays have higher energy than microwaves because gamma rays have lower frequencies.
C
Infrared light has lower energy than X-rays because infrared light has shorter wavelengths.
D
Infrared light has lower energy than X-rays because infrared light has higher frequencies.
4

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

A
constructive interference.
B
destructive interference.
C
absorption
D
transmission
5

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

A
a lower frequency and a shorter wavelength.
B
a higher frequency and a longer wavelength.
C
a lower frequency and a longer wavelength.
D
a higher frequency and a shorter wavelength.
6

Tanner is running his finger around the top of a crystal glass with a natural frequency of 1100 hertz. If Tanner can cause the glass to resonate, it could create a high-pitched sound and shatter.

A
vibrate the glass at 550 hertz
B
vibrate the glass at 1100 hertz
C
increase the loudness of the vibration
D
decrease the loudness of the vibration
7

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

A
microwaves
B
infrared light
C
gamma rays
D
radio waves
8

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?

A
red
B
violet
C
green
D
yellow
9

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

A
She can use destructive interference to generate a wave with an amplitude of 3.1 m.
B
She can use constructive interference to generate a wave with an amplitude of 1.5 m.
C
She can use destructive interference to generate a wave with an amplitude of 0 m.
D
She can use constructive interference to generate a wave with an amplitude of 3.5 m.
10

An object is placed in front of a plane mirror. The reflected image of the object will be a

A
real image that appears to be behind the mirror.
B
real image that appears to be in front of the mirror.
C
virtual image that appears to be behind the mirror.
D
virtual image that appears to be in front of the mirror.
11

Amara draws the ray diagram shown.Which describes Amara’s mistake?

Question illustration
A
She should have drawn a concave lens instead of a convex lens.
B
She should have drawn the image right-side up instead of upside down.
C
Ray 2 should cross through the focal point on the right side of the lens.
D
Ray 3 should point at a downward angle after passing through the lens.
12

Which waves can travel through space?

A
electromagnetic waves only
B
mechanical waves only
C
electromagnetic and mechanical waves
D
longitudinal and electromagnetic waves
13

A mirror forms an image because of which behavior of light?

A
refraction
B
reflection
C
diffraction
D
absorption
14

Leon sees a poster that shows a lake in front of a snow-capped mountain. The mountain appears upside down in the lake.

A
The surface of the lake is smooth.
B
The surface of the lake is transparent.
C
The surface of the lake is polished.
D
The surface of the lake is rough.
15

What is common between transverse waves and longitudinal waves?

A
Both include an amplitude, crest, and rarefactions
B
Both move faster at higher temperatures
C
Both move slower through densely packed molecules
D
Both include a wavelength from compression to compression

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