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  9. Q2

RRB Assistant Loco Pilot (ALP) 2018 · Question 2 of 72

If the frequency of a sound wave of given velocity is increased, how will it affect its wavelength?

not-specified

  1. AIts wavelength will increase.
  2. BThe wavelength will not be affected.
  3. CIts wave length will decrease.Correct
  4. DWavelength will keep increasing and decreasing alternately.

Answer: C. Its wave length will decrease.

Official answer key verified. Detailed explanation coming soon.

Source: RRB ALP CBT-1 31-Aug-2018 Shift-2 — candidate response sheet (official answer-key system) · official-answer-key

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