Which of the following statements are correct? Mark the true answers and only th

Question

Which of the following statements are correct? Mark the true answers and only the true answers. The gnomon of a sundial is the part that casts a shadow; in an equatorial dial, the gnomon is aligned with the Earth's polar axis.

An equatorial sundial is one that has its marked dial (or ring) in the plane of the Earth's equator. It works at any latitude as long as its orientation is adjustable so that the gnomon can be aligned properly.

A polar dial is one that has its marked dial (or ring) in a plane that goes through the Celestial Poles. It works at any latitude as long as its orientation is adjustable so that the gnomon can be aligned properly.

A shepherd's dial or pillar dial uses the length of the gnomon's shadow to tell time. It makes a good pocket sundial because the same one will work at any latitude. An analemma is a sundial that includes an ana and a lemma as its key parts.

Explanation / Answer

Here the given statements are true

i.e

The gnomon of a sundial is the part that casts a shadow; in an equatorial dial, the gnomon is aligned with the Earth's polar axis and an equatorial sundial is one that has its marked dial (or ring) in the plane of the Earth's equator. It works at any latitude as long as its orientation is adjustable so that the gnomon can be aligned properly

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