1. The image projected on the screen was inverted. This type of image is real / virtual.

2. The real image magnification is high, i.e. when the object distance is between ____1____ and ______10_____ (fill in the blanks with multiples of .

3. There was no image when the object distance was: ____0 / infinity_____ (write in terms of ).

4. When I use my magnifying glass to read, I can see an upright image. This is because this type of image is ...... (write below).......