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The Development of Astronomical Instruments in Ancient India

Description: This quiz is designed to assess your understanding of the development of astronomical instruments in ancient India. The questions cover various aspects, including the types of instruments used, their significance, and the contributions of Indian astronomers to the field of astronomy.
Number of Questions: 15
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Tags: indian astronomy astronomy instruments ancient india
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Which of the following is NOT an astronomical instrument used in ancient India?

  1. Astrolabe

  2. Armillary sphere

  3. Sundial

  4. Telescope


Correct Option: D
Explanation:

The telescope was not known in ancient India.

The primary purpose of the astrolabe in ancient India was to:

  1. Measure the altitude of celestial bodies

  2. Determine the time of day

  3. Calculate the position of stars and planets

  4. All of the above


Correct Option: D
Explanation:

The astrolabe was a versatile instrument used for various astronomical purposes.

The armillary sphere was used in ancient India to:

  1. Demonstrate the motions of celestial bodies

  2. Measure the distance to stars

  3. Predict eclipses

  4. None of the above


Correct Option: A
Explanation:

The armillary sphere was primarily used as a teaching tool to illustrate the movements of celestial bodies.

The sundial was used in ancient India to:

  1. Tell the time of day

  2. Determine the direction of true north

  3. Measure the altitude of the sun

  4. Both A and B


Correct Option: D
Explanation:

The sundial was used for both telling the time and determining the direction of true north.

Which Indian astronomer is credited with developing the concept of the zero in astronomy?

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: A
Explanation:

Aryabhata was the first Indian astronomer to introduce the concept of the zero in astronomy.

The Indian astronomer who calculated the value of pi (π) to four decimal places was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: B
Explanation:

Brahmagupta was the first Indian astronomer to calculate the value of pi (π) to four decimal places.

The Indian astronomer who developed the trigonometric sine function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: A
Explanation:

Aryabhata was the first Indian astronomer to develop the trigonometric sine function.

The Indian astronomer who developed the trigonometric cosine function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: B
Explanation:

Brahmagupta was the first Indian astronomer to develop the trigonometric cosine function.

The Indian astronomer who developed the trigonometric tangent function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: C
Explanation:

Bhaskara II was the first Indian astronomer to develop the trigonometric tangent function.

The Indian astronomer who developed the trigonometric cotangent function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: C
Explanation:

Bhaskara II was the first Indian astronomer to develop the trigonometric cotangent function.

The Indian astronomer who developed the trigonometric secant function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: C
Explanation:

Bhaskara II was the first Indian astronomer to develop the trigonometric secant function.

The Indian astronomer who developed the trigonometric cosecant function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: C
Explanation:

Bhaskara II was the first Indian astronomer to develop the trigonometric cosecant function.

The Indian astronomer who developed the trigonometric versine function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: C
Explanation:

Bhaskara II was the first Indian astronomer to develop the trigonometric versine function.

The Indian astronomer who developed the trigonometric haversine function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: C
Explanation:

Bhaskara II was the first Indian astronomer to develop the trigonometric haversine function.

The Indian astronomer who developed the trigonometric exsecant function was:

  1. Aryabhata

  2. Brahmagupta

  3. Bhaskara II

  4. Varahamihira


Correct Option: C
Explanation:

Bhaskara II was the first Indian astronomer to develop the trigonometric exsecant function.

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