Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2026
Consider the following statements regarding waves
- If the particles of a medium move along the direction of motion of the wave, the wave is called a longitudinal wave
- If the particles of a medium move perpendicular to the direction of motion of the wave, the wave is called a transverse wave
- Transverse waves may involve change in the shape of the medium, whereas longitudinal waves involve change in the density of the medium
Which of the statements given above is/are correct ?
- A 1 and 2 only
- B 1 only
- C 2 and 3 only
- D 1, 2 and 3 ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
CDS2023
Sound and light waves are
- A respectively longitudinal and transverse in air ✓
- B respectively transverse and longitudinal in air
- C both longitudinal in air
- D both transverse in air
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
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