MCQOPTIONS
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| 1. |
A lamp is hanging 1 m above the centre of a circular table of diameter 1m. The ratio of illuminaces at the centre and the edge is [NCERT 1982] |
| A. | \[\frac{1}{2}\] |
| B. | \[{{\left( \frac{5}{4} \right)}^{\frac{3}{2}}}\] |
| C. | \[\frac{4}{3}\] |
| D. | \[\frac{4}{5}\] |
| Answer» C. \[\frac{4}{3}\] | |