Kapala Yantra

Description: Kapala Yantra Quiz
Number of Questions: 15
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Tags: indian astronomy astronomical instruments in india kapala yantra
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What is the primary purpose of a Kapala Yantra?

  1. Measuring the position of celestial bodies

  2. Determining the time of day

  3. Predicting eclipses

  4. Calculating astrological charts


Correct Option: A
Explanation:

The Kapala Yantra is an astronomical instrument used to measure the position of celestial bodies, such as the sun, moon, and stars.

What is the basic principle behind the Kapala Yantra?

  1. Reflection of light

  2. Refraction of light

  3. Diffraction of light

  4. Interference of light


Correct Option: A
Explanation:

The Kapala Yantra uses the principle of reflection of light to measure the position of celestial bodies.

What is the shape of the Kapala Yantra?

  1. A flat circular plate

  2. A hemispherical bowl

  3. A cylindrical tube

  4. A conical frustum


Correct Option: B
Explanation:

The Kapala Yantra is typically made in the shape of a hemispherical bowl.

What is the material used to make a Kapala Yantra?

  1. Brass

  2. Copper

  3. Silver

  4. Gold


Correct Option: A
Explanation:

The Kapala Yantra is usually made of brass.

What are the main components of a Kapala Yantra?

  1. A circular plate, a gnomon, and a graduated scale

  2. A hemispherical bowl, a gnomon, and a graduated scale

  3. A cylindrical tube, a gnomon, and a graduated scale

  4. A conical frustum, a gnomon, and a graduated scale


Correct Option: B
Explanation:

The main components of a Kapala Yantra are a hemispherical bowl, a gnomon, and a graduated scale.

What is the function of the gnomon in a Kapala Yantra?

  1. To cast a shadow on the graduated scale

  2. To reflect light from the celestial bodies

  3. To diffract light from the celestial bodies

  4. To interfere with light from the celestial bodies


Correct Option: A
Explanation:

The gnomon in a Kapala Yantra casts a shadow on the graduated scale, which is used to measure the position of celestial bodies.

What is the function of the graduated scale in a Kapala Yantra?

  1. To measure the angle of the shadow cast by the gnomon

  2. To measure the distance between the gnomon and the celestial body

  3. To measure the time of day

  4. To measure the astrological position of the celestial body


Correct Option: A
Explanation:

The graduated scale in a Kapala Yantra is used to measure the angle of the shadow cast by the gnomon.

What is the accuracy of a Kapala Yantra?

  1. Within 1 degree

  2. Within 5 degrees

  3. Within 10 degrees

  4. Within 15 degrees


Correct Option: A
Explanation:

The accuracy of a Kapala Yantra is typically within 1 degree.

When was the Kapala Yantra invented?

  1. 5th century BCE

  2. 10th century CE

  3. 15th century CE

  4. 18th century CE


Correct Option: A
Explanation:

The Kapala Yantra was invented in the 5th century BCE.

Who invented the Kapala Yantra?

  1. Aryabhata

  2. Bhaskaracharya

  3. Brahmagupta

  4. Varahamihira


Correct Option: A
Explanation:

Aryabhata invented the Kapala Yantra.

Where was the Kapala Yantra invented?

  1. India

  2. China

  3. Greece

  4. Egypt


Correct Option: A
Explanation:

The Kapala Yantra was invented in India.

What are some of the limitations of the Kapala Yantra?

  1. It can only be used during the day

  2. It cannot be used to measure the position of stars

  3. It cannot be used to measure the position of planets

  4. It cannot be used to measure the position of the moon


Correct Option: A
Explanation:

One of the limitations of the Kapala Yantra is that it can only be used during the day.

What are some of the applications of the Kapala Yantra?

  1. Navigation

  2. Surveying

  3. Astronomy

  4. Astrology


Correct Option:
Explanation:

The Kapala Yantra has been used for navigation, surveying, astronomy, and astrology.

Is the Kapala Yantra still used today?

  1. Yes

  2. No


Correct Option: A
Explanation:

The Kapala Yantra is still used today, although it is not as common as it once was.

What are some of the modern uses of the Kapala Yantra?

  1. Teaching astronomy

  2. Demonstrating the principles of reflection

  3. Measuring the angle of the sun's rays

  4. All of the above


Correct Option: D
Explanation:

The Kapala Yantra is still used today for teaching astronomy, demonstrating the principles of reflection, and measuring the angle of the sun's rays.

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