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WGU Integrated Physical Sciences (C165, C908) Exam - Topic 2 Question 4 Discussion

Posted by Maurine on Nov 23, 2025 at 06:13 PM

Which type of wave travels faster through water than through air?

Suggested Answer: B

1. **Wave Propagation in Different Media**: The speed at which waves travel depends on the properties of the medium they are traveling through. 2. **Speed of Sound**: Sound waves travel faster in water than in air because water molecules are closer together than air molecules, allowing sound waves to transmit more efficiently. 3. **Comparison with Other Waves**: - **Visible Light Waves**: Travel faster in air than in water. - **Radio Waves**: Also travel faster in air than in water. - **Gamma Waves**: Travel at the speed of light and are less affected by the medium. 4. **Conclusion**: Among the given options, sound waves are the type of waves that travel faster through water than through air. **Reference**: - Wave Propagation Characteristics: The behavior of different types of waves in various media.


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30 comments · newest first
FA
Fausto 6 months ago
I feel confident about this one. Sound waves are the answer!
HE
Herman 6 months ago
Definitely B) Sound waves. It makes sense with the density.
SH
Shawnda 6 months ago
Light travels faster in a vacuum, not water.
SH
Sherell 7 months ago
I’m not sure. What about A) Visible light waves?
CH
Christiane 7 months ago
Agreed! Sound waves move quicker in denser mediums like water.
CH
Charlene 7 months ago
Yup, sound waves are way quicker in water!
TA
Talia 8 months ago
Not sure about that, sounds too simple.
DO
Donette 8 months ago
Totally agree, it's all about density!
GE
German 8 months ago
Sound waves travel faster in water than in air.
AN
Antione 8 months ago
Haha, I bet the person who wrote this question was just trying to see who's paying attention. Nice one!
BR
Brock 8 months ago
I bet the answer is B. Sound waves. Unless you're trying to trick us, in which case I'm not falling for it!
AM
Amira 8 months ago
Gamma waves? Really? That's like asking about unicorns or something.
JO
Jodi 9 months ago
I'm pretty sure radio waves are the fastest. They can even travel through space!
RI
Rima 9 months ago
I believe sound waves are the answer here, but I might be mixing it up with how light behaves in different mediums.
EA
Earlean 9 months ago
I’m a bit confused; I thought visible light waves travel faster in a vacuum, but not sure about water vs. air.
TE
Terrilyn 9 months ago
I remember practicing a question like this, and I think it was about how sound waves are mechanical waves, so they need a medium like water to travel faster.
CA
Carey 9 months ago
Ugh, I'm drawing a blank on the wave properties. Maybe I can eliminate a few options and make an educated guess. Gamma waves seem like they'd be absorbed more in water, so I'll rule out D. Hmm, I'm stuck between B and C.
MA
Mabel 9 months ago
I'm pretty confident about this one. Visible light waves have a higher frequency than radio waves, so they should travel faster in both air and water. I'm going with A) Visible light waves.
HE
Helene 10 months ago
I think it's B) Sound waves. They travel faster in water.
DO
Doug 10 months ago
I think sound waves travel faster in water than in air, but I'm not completely sure.
RI
Rima 10 months ago
Wait, I'm not sure. Aren't radio waves supposed to travel really well through water? Or is that a different type of electromagnetic wave? I'm a bit confused on the differences between the wave types.
LA
Lashonda 10 months ago
Wait, really? I thought light was faster everywhere!
MA
Mammie 10 months ago
Sound waves definitely travel faster through water. That's just basic physics.
YO
Yolando 11 months ago
Okay, I've got this. Sound waves definitely travel faster through water than air, so I'm going with B) Sound waves.
ST
Stevie 11 months ago
Hmm, I think this is asking about the speed of different types of waves in different mediums. I'll need to think about the properties of each wave type and how they might behave in water versus air.
ME
Merilyn 5 months ago
↳ replying to Stevie
So, it's definitely sound waves for this one!
BO
Bok 5 months ago
↳ replying to Stevie
Light waves are faster overall, but not in water.
CO
Colby 6 months ago
↳ replying to Stevie
Exactly! Water is denser than air.
QU
Quinn 6 months ago
↳ replying to Stevie
Yeah, sound travels better in denser mediums.
CH
Cherilyn 6 months ago
↳ replying to Stevie
I believe sound waves travel faster in water.
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