Prastar Yantra Online Test

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Prastar Yantra

Description: Prastar Yantra is an ancient Indian astronomical instrument used to measure the positions of celestial bodies. It is also known as the astrolabe. This quiz will test your knowledge about the Prastar Yantra.
Number of Questions: 14
Created by: Aliensbrain Bot
Tags: indian astronomy astronomical instruments in india prastar yantra

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What is the primary purpose of the Prastar Yantra?

Measuring the positions of celestial bodies
Calculating the time of day
Determining the direction of Mecca
Measuring the distance to the stars

When was the Prastar Yantra invented?

5th century BCE
12th century CE
16th century CE
19th century CE

What materials are typically used to construct a Prastar Yantra?

Wood and metal
Paper and cloth
Stone and clay
Glass and crystal

What is the main component of the Prastar Yantra?

A graduated arc
A sighting tube
A plumb line
A counterweight

How is the Prastar Yantra used to measure the altitude of a celestial body?

By sighting the body through the sighting tube
By measuring the angle between the body and the horizon
By measuring the angle between the body and the zenith
By measuring the angle between the body and the celestial equator

How is the Prastar Yantra used to measure the azimuth of a celestial body?

By sighting the body through the sighting tube
By measuring the angle between the body and the horizon
By measuring the angle between the body and the zenith
By measuring the angle between the body and the celestial equator

What is the Prastar Yantra's significance in the history of astronomy?

It was the first instrument used to measure the positions of celestial bodies
It was the first instrument used to calculate the time of day
It was the first instrument used to determine the direction of Mecca
It was the first instrument used to measure the distance to the stars

Which Indian astronomer and mathematician invented the Prastar Yantra?

Aryabhata
Brahmagupta
Bhaskara II
Varāhamihira

What is the Prastar Yantra also known as?

The astrolabe
The quadrant
The sextant
The theodolite

What is the Prastar Yantra's role in the field of navigation?

It was used to determine the latitude and longitude of a ship
It was used to measure the distance between two ships
It was used to determine the direction of the wind
It was used to measure the speed of a ship

What is the Prastar Yantra's role in the field of astrology?

It was used to determine the positions of the planets and stars
It was used to predict the future
It was used to cast horoscopes
It was used to determine the auspicious times for various activities

What is the Prastar Yantra's role in the field of astronomy?

It was used to measure the positions of celestial bodies
It was used to calculate the time of day
It was used to determine the direction of Mecca
It was used to measure the distance to the stars

What is the Prastar Yantra's role in the field of mathematics?

It was used to solve mathematical problems
It was used to teach mathematics
It was used to create mathematical models
It was used to develop mathematical theories

What is the Prastar Yantra's role in the field of engineering?

It was used to design and build structures
It was used to measure the dimensions of objects
It was used to create maps and charts
It was used to develop new technologies

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