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    				| 1. | what are real and virtual images? How will you find out whether and image is real or virtual? Can a virtual image be obtained on a screen? | 
| Answer» SOLUTION :1. A real image occurs when light rays converge, whereas a virtual image occurs when light rays only APPEAR to converge. 2. When the image is OBTAINED on a virtual image. 3. Real image are always inverted, while a virtual image is a always ERECT. 4. A virtual image cannot be obtained on a screen. | |