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WGU Integrated Physical Sciences (MTC1) Exam - Topic 3 Question 7 Discussion

Actual exam question for WGU's WGU Integrated Physical Sciences (MTC1) exam
Question #: 7
Topic #: 3
[All WGU Integrated Physical Sciences (MTC1) Questions]

Which type of wave travels the slowest?

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Suggested Answer: D

1. **Wave Speeds**: The speed of different types of waves varies significantly. 2. **Gamma Waves**: These are electromagnetic waves that travel at the speed of light (approximately ( 3 times 10^8 ) m/s). 3. **Radio Waves**: Another type of electromagnetic wave, also traveling at the speed of light. 4. **Visible Light Waves**: These are also electromagnetic waves traveling at the speed of light. 5. **Sound Waves**: Travel much slower compared to electromagnetic waves, with typical speeds in air around 343 m/s. 6. **Conclusion**: Among the given options, sound waves travel the slowest. **Reference**: - Wave Speed Comparisons: Differences in propagation speeds of sound and electromagnetic waves.


by Mike at Mar 02, 2026, 06:38 AM

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Merilyn
15 days ago
Really? I always assumed radio waves were slower.
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Bobbie
20 days ago
Definitely sound waves, no doubt about it.
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Gretchen
26 days ago
I thought it was visible light waves?
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Natalya
1 month ago
Sound waves travel the slowest!
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Annamae
1 month ago
I practiced a similar question, and I think sound waves are the slowest because they need a medium to travel through.
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Antonio
1 month ago
I’m a bit confused. I remember something about radio waves being really fast, but I can't recall how they compare to sound waves.
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Izetta
2 months ago
I feel like I studied this before! I think gamma waves are the fastest, but sound waves definitely seem slower than the others.
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Wayne
2 months ago
I think sound waves travel the slowest, but I'm not completely sure. I remember something about their speed being affected by the medium.
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Royal
2 months ago
I’m pretty confident that sound waves are the slowest, but I should double-check my notes just in case.
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Loreta
2 months ago
I’m a bit confused; I thought visible light was slower than sound, but that doesn’t seem right now.
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Jaime
2 months ago
I remember practicing a question like this, and I think radio waves are faster than sound waves.
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Elvis
2 months ago
I think sound waves travel slower than the others, but I'm not completely sure.
upvoted 0 times
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