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Changes Around Us — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceChanges Around Us1 Mark
MCQ
Carefully observe the figures $A$ and $B$ below and choose the correct option.
  • A
    Both $'A'$ and $'B'$ are periodic changes.
  • ✓
    Both $'A'$ and $'B'$ are non-periodic change.
  • C
    $'A'$ is periodic and $'B'$ is non-periodic change.
  • D
    $'B'$ is periodic and $'A'$ is non-periodic change.
✓

Answer

Correct option: B.
Both $'A'$ and $'B'$ are non-periodic change.

 Both change in phases of moon and movement of needle of clock are periodic changes.

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