Criss-cross Puzzle:
Down:
1. In a pinhole camera the image formed is________.
2. During the lunar eclipse the shadow is cast by ________.
3. The size of the image in a pinhole camera is inversely proportional to the distance of ________.
Across:
4. The bright ring around the Sun occurs on ________ eclipse.
5. The Sun is a ______ type of source.
6. _____ light source casts only umbra.