A) X-rays
B) radiowaves
C) infrasonic waves
D) ultraviolet rays
Correct Answer: C
Solution :
X-rays, radio waves, and ultraviolet waves are electromagnetic waves, hence they travel in vacuum as well as in other medium. Whereas longitudinal waves cannot travel in vacuum, they require a medium for travel, infrasonic waves lie in this category.You need to login to perform this action.
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