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PHYSICS CH 1 Measurement — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH 1 Measurement1 Mark
MCQ
Assertion (A) : Light year and wave length both measure distance
Reason (R) : Both have dimensions of time.
(a) Both A and R are true but R is not the correct explanation of A.
(b) Both A and R are true and R is the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
  • A
    Both A and R are true but R is not the correct explanation of A.
  • B
    Both A and R are true and R is the correct explanation of A.
  • ✓
    A is true but R is false.
  • D
    A is false but R is true.
✓

Answer

Correct option: C.
A is true but R is false.
(c) A is true but R is false

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