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Motion — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceMotion1 Mark
MCQ
Pick out the wrong statement about retardation:
  • A
    Retardation is negative acceleration
  • B
    Retardation is rate of decrease of velocity with time
  • C
    SI unit of retardation is ms−2
  • D
    Retardation is a scalar quantity
✓

Answer

  1. Retardation is a scalar quantity

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