Sundial Quiz By MS. Sadia Qamar

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| By Sadia
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Sadia
Community Contributor
Quizzes Created: 1 | Total Attempts: 141
Questions: 5 | Attempts: 141

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Sundial Quiz By MS. Sadia Qamar - Quiz


Questions and Answers
  • 1. 

    What do we need to use a sundial?

    • A.

      Clouds

    • B.

      Water

    • C.

      Sun

    • D.

      Shadow

    Correct Answer
    C. Sun
    Explanation
    A sundial is a device that tells time based on the position of the sun. To use a sundial, the most essential requirement is the presence of the sun. The sun's rays cast a shadow on the sundial, and by observing the position of the shadow, we can determine the time. Therefore, the correct answer is the sun. Clouds and water are not necessary for the functioning of a sundial as they can obstruct the sunlight and prevent accurate time measurement.

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  • 2. 

    Central stick in a Sundial is called?

    • A.

      Gnomon

    • B.

      Candle clock

    • C.

      Water clock

    • D.

      Dial

    Correct Answer
    A. Gnomon
    Explanation
    The central stick in a sundial is called a gnomon. The gnomon is the part of the sundial that casts a shadow, allowing the time to be determined based on the position of the shadow. It is typically a straight, vertical stick that is aligned with the Earth's axis and is angled to correspond with the latitude of the location where the sundial is being used. The gnomon is an essential component of a sundial as it helps in measuring the passage of time based on the movement of the shadow it casts.

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  • 3. 

    3. What is built into portable compass?

    • A.

      Dial

    • B.

      Gnomon

    • C.

      Compass

    • D.

      Stick

    Correct Answer
    C. Compass
    Explanation
    A portable compass is built with a compass. A compass is a navigational instrument that uses the Earth's magnetic field to determine direction. It typically consists of a magnetized needle or dial that aligns with the Earth's magnetic North and South poles, allowing users to determine which way is North. Therefore, the correct answer is compass.

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  • 4. 

    Mechanical clocks are invented in 

    • A.

      1100s

    • B.

      1200s

    • C.

      1300s

    • D.

      1400s

    Correct Answer
    C. 1300s
    Explanation
    During the 1300s, mechanical clocks were invented. This period marked a significant advancement in timekeeping technology, as mechanical clocks relied on intricate mechanisms and gears to accurately measure and display time. Prior to this, various forms of timekeeping devices such as sundials and water clocks were used, but they were not as precise or reliable as mechanical clocks. The invention of mechanical clocks in the 1300s revolutionized timekeeping and paved the way for the development of more sophisticated and accurate timepieces in the future.

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  • 5. 

    The size of the shadow is shortest at 

    • A.

      Sun rise

    • B.

      Sun set

    • C.

      Night

    • D.

      Mid day

    Correct Answer
    D. Mid day
    Explanation
    The size of the shadow is shortest at midday because the sun is directly overhead, causing the object to cast a shorter shadow. At sunrise and sunset, the angle of the sun is lower, resulting in longer shadows. During the night, there is no sunlight to cast any shadows.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 09, 2020
    Quiz Created by
    Sadia
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