MCQOPTIONS
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				| 1. | 
                                    An instrument which works by producing multiple reflections from plane mirrors and forms beautiful patterns is: | 
                            
| A. | Periscope | 
| B. | Telescope | 
| C. | (i - B), (ii - A), (iii - D), (iv - C) | 
| D. | Pinhole camera | 
| E. | None of these | 
| Answer» D. Pinhole camera | |