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Karkotaka Yantra

Description: The Karkotaka Yantra is an ancient Indian astronomical instrument that was used to measure time. It consists of a circular plate with a series of concentric circles and markings. The position of the sun's shadow on the plate was used to determine the time of day or night.
Number of Questions: 14
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Tags: indian astronomy astronomical instruments karkotaka yantra
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What is the Karkotaka Yantra?

  1. A type of sundial

  2. A type of astrolabe

  3. A type of calendar

  4. A type of clock

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Correct Option: A
Explanation:

The Karkotaka Yantra is a type of sundial that was used in ancient India to measure time.

What is the shape of the Karkotaka Yantra?

  1. Circular

  2. Square

  3. Rectangular

  4. Triangular

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Correct Option: A
Explanation:

The Karkotaka Yantra is a circular plate with a series of concentric circles and markings.

What are the markings on the Karkotaka Yantra?

  1. Numbers

  2. Letters

  3. Symbols

  4. All of the above

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Correct Option: D
Explanation:

The Karkotaka Yantra has markings that include numbers, letters, and symbols.

What was the Karkotaka Yantra used for?

  1. To measure time

  2. To navigate

  3. To tell fortunes

  4. To perform religious rituals

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Correct Option: A
Explanation:

The Karkotaka Yantra was used to measure time by determining the position of the sun's shadow on the plate.

When was the Karkotaka Yantra invented?

  1. Ancient times

  2. Medieval times

  3. Modern times

  4. It is unknown

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Correct Option: A
Explanation:

The Karkotaka Yantra was invented in ancient times, although the exact date is unknown.

Where was the Karkotaka Yantra used?

  1. India

  2. China

  3. Egypt

  4. Greece

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Correct Option: A
Explanation:

The Karkotaka Yantra was used in India.

Who invented the Karkotaka Yantra?

  1. Aryabhata

  2. Bhaskara II

  3. Brahmagupta

  4. Varahamihira

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Correct Option:
Explanation:

The inventor of the Karkotaka Yantra is unknown.

How does the Karkotaka Yantra work?

  1. The position of the sun's shadow on the plate is used to determine the time of day or night.

  2. The position of the moon's shadow on the plate is used to determine the time of day or night.

  3. The position of the stars' shadows on the plate is used to determine the time of day or night.

  4. All of the above

Show answer
Correct Option: A
Explanation:

The Karkotaka Yantra works by using the position of the sun's shadow on the plate to determine the time of day or night.

What are some of the advantages of the Karkotaka Yantra?

  1. It is accurate

  2. It is easy to use

  3. It is portable

  4. All of the above

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Correct Option: D
Explanation:

The Karkotaka Yantra is accurate, easy to use, and portable.

What are some of the disadvantages of the Karkotaka Yantra?

  1. It can only be used during the day

  2. It is not very accurate in cloudy weather

  3. It is difficult to make

  4. All of the above

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Correct Option: D
Explanation:

The Karkotaka Yantra can only be used during the day, it is not very accurate in cloudy weather, and it is difficult to make.

Is the Karkotaka Yantra still used today?

  1. Yes

  2. No

  3. It is unknown

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Correct Option: B
Explanation:

The Karkotaka Yantra is no longer used today.

Why is the Karkotaka Yantra no longer used today?

  1. It has been replaced by more accurate timekeeping devices.

  2. It is too difficult to make.

  3. It is not very portable.

  4. All of the above

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Correct Option: A
Explanation:

The Karkotaka Yantra is no longer used today because it has been replaced by more accurate timekeeping devices.

What is the historical significance of the Karkotaka Yantra?

  1. It is one of the earliest known sundials.

  2. It was used by ancient Indian astronomers to make important astronomical observations.

  3. It is a symbol of Indian ingenuity and creativity.

  4. All of the above

Show answer
Correct Option: D
Explanation:

The Karkotaka Yantra is one of the earliest known sundials, it was used by ancient Indian astronomers to make important astronomical observations, and it is a symbol of Indian ingenuity and creativity.

Where can I see a Karkotaka Yantra today?

  1. In museums

  2. In private collections

  3. Both of the above

  4. None of the above

Show answer
Correct Option: C
Explanation:

Karkotaka Yantras can be found in museums and in private collections.

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