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Motion and Time — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceMotion and Time1 Mark
MCQ
Right sequence in increasing magnitude is:
  • A
    Decade, second, week, nanosecond.
  • B
    Nanosecond, week, second, decade.
  • ✓
    Nanosecond, second, week, decade.
  • D
    Nanosecond, decade, second, week.
✓

Answer

Correct option: C.
Nanosecond, second, week, decade.
$1\ ns = 10^{−9}s$
$1$ week $= 7$ days $= 604800s$
$1$ decade $= 10$ yrs $= 3.17 \times 10^{−9}s$

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