

MCQOPTIONS
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1. |
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 × 1012 km [AIIMS 1999] |
A. | If both assertion and reason are true and the reason is the correct explanation of the assertion. |
B. | If both assertion and reason are true but reason is not the correct explanation of the assertion. |
C. | 1.3 |
D. | If the assertion and reason both are false. |
E. | If assertion is false but reason is true. |
Answer» C. 1.3 | |