Published by:
CGP EDU Academic Team
Published on: September 11, 2026
Ultrasonic, Infrasonic and audible waves travel through a medium with speeds 
and V a respectively, then
A
and V a are nearly equal
B
C
D
and 
Text Solution
Verified by ExpertsThe correct answer is:
C
To analyze the relationship between the speeds of ultrasonic, infrasonic, and audible waves, we consider the general observations regarding wave propagation:
$$V_u > V_a > V_i$$
Where:
- $V_u$: Speed of ultrasonic waves
- $V_a$: Speed of audible waves
- $V_i$: Speed of infrasonic waves
From the provided options, Option C states:
, which represents this correct relational arrangement. Hence, the correct answer is C.
- Ultrasonic waves (above the audible range) generally travel faster than audible waves.
- Infrasonic waves (below the audible range) typically travel at a slower speed compared to audible waves.
$$V_u > V_a > V_i$$
Where:
- $V_u$: Speed of ultrasonic waves
- $V_a$: Speed of audible waves
- $V_i$: Speed of infrasonic waves
From the provided options, Option C states:
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