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Question
Light year is the unit of ______.
Options
distance
time
density
Both length and time
MCQ
Fill in the Blanks
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Solution
Light year is the unit of distance.
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Measuring Larger Distances
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Match the following:
| Column-I | Column-II | |
| 1. | 10 years | 1 year |
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| 3. | 10 decades | 1 millennium |
| 4. | 365.24 days | 1 decade |
Assertion (A): Light year and wavelength both measure distance
Reason (R): Both have dimensions of time.
