A ‘gnomon’ is a part of a _____.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. sundial
- A ‘gnomon’ is a part of a sundial that cast a shadows.
- It is an early astronomical instrument consisting of a vertical shaft, column, or the like, for determining the altitude of the sun or the latitude of a position by measuring the length of its shadow cast at noon.