Question

Which of the following instrument measures time with the most accuracy A. Sundial B. Water clock C. Sand clock D. Quartz watch

Answer 1

Answer:

THE CORRECT ANSWER OF THIS QUESTION IS OPTION (A).

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Answer 2

D. Quartz watch measures time with the most accuracy.

• Sundial, quite old form of timekeeping device indicating time throughout the day position of sun shadow. As the day moves, the position of sun goes from east-up-west and in this form the shadow also changes and indicates time.
• Water clock also knows as Clepsydra, is an ancient gadget which measures time by flow of water. This has tiny boat or any floating things and has whole in it and is shipped till it is sank.
• Sand clock, basically knows as Hourglass, it is divided in two portions upper portion is filled with sand and lower portion is empty and sand slowly moves from a small hole between the two halves to the lower part.
• Quartz clock is of quartz crystals and acts on electricity principles and electric field. This is known to be the most accurate instruments of all times.