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Ray Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
MCQ
Assertion : The speed of light in a rarer medium is greater than that in a denser medium
Reason : One light year equals to $9.5 \times 10^{12} \ km$
  • A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
     
  • ✓
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
     
  • C
    If assertion is true but reason is false.
     
  • D
    If the assertion and reason both are false.
✓

Answer

Correct option: B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
 
If both assertion and reason are true but reason is not the correct explanation of the assertion.

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