Solved UPSC CDS/OTA Question
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Q · Waves and SoundModerate · 45s
Consider the following statements regarding wave motion: 1. In transverse waves, particles of the medium oscillate perpendicular to the direction of propagation. 2. Longitudinal waves can be propagated in solids, liquids, and gases. 3. Sound waves in air are transverse waves. Which of the above statements is/are correct?
TopicWaves and Sound
Question Typemultiple choice
DifficultyModerate
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Transverse waves: particles oscillate perpendicular to the wave’s direction — true.
Longitudinal waves: possible in solids, liquids, and gases — true.
Sound in air is longitudinal, not transverse — false.
Final Answer: Option A - 1 and 2 only