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General Science Question Bank Question No - 21
Question No 21. A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is:
- 1) the same in both cases in all respects
- 2) of higher intensity when train arrives
- 3) of higher pitch when train arrives
- 4) of higher pitch when train departs
General Science Questions have been taken from previous years question papers of different competitive examinations such SSC CGL, SSC CHSL, CDS, NDA, Bank, State PSC, Railways, MAT, CAT, etc.
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