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PHYSICS CH6 Light — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH6 Light1 Mark
MCQ
According to sign convention the distance of the object.
  • A
    is always positive
  • ✓
    is always negative
  • C
    maybe positive or negative
  • D
    is equal to object height.
✓

Answer

Correct option: B.
is always negative
is always negative

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