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T1 CH1 Measurements — Science STD 7 — Question

Tamilnadu BoardEnglish MediumSTD 7ScienceT1 CH1 Measurements1 Mark
MCQ
Assertion (A): The distance between two celestial bodies is measured by the unit of light year.
Reason (R) : The distance travelled by the light in one year in vacuum is called one light year.
  • ✓
    Both A and R are true but R is not the correct reason.
  • B
    Both A and R are true and R is the correct reason.
  • C
    A is true but R is false.
  • D
    A is false but R is true
✓

Answer

Correct option: A.
Both A and R are true but R is not the correct reason.
Both A and R are true but R is not the correct reason.

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