Question

on what principle does a sundial work? what is the drawback of a sundial?

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Answer 1

Answer:

The sundial works on the principle that given a location, date, and time, the sun’s position in the sky is fixed and can be calculated. The drawback is that a Sundial is no longer accurate after a month. This is because the obliquity of Earth causes the 'path' of the Sun to change over the months. The same Sundial cannot be used in two different places.

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Answer 2

Answer:

The sundial works on the principle that when the sun is at highest point in the sky the image of an object formed by its light is smallest and when it is at the lowest point the image formed is the longest. The most major drawback of sundial is that it cannot be used in the night

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