General Awareness ยท Physics

Indian Observatories and Astronomy

2,231 Questions

Indian observatories and astronomy questions cover national research institutions, space telescopes, radio telescopes, and historic astronomical events. These facts are highly relevant for the general awareness section of UPSC and state PSC exams. Solve these questions to memorize key observatories and their specific functions.

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Indian Observatories and Astronomy Questions

Multiple choice

Which of the following instruments is found at the Jantar Mantar observatories?

  1. Samrat Yantra

  2. Rashivalaya Yantra

  3. Jai Prakash Yantra

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Jantar Mantar observatories feature a variety of instruments, including the Samrat Yantra (a large sundial), the Rashivalaya Yantra (a zodiac instrument), and the Jai Prakash Yantra (a complex instrument for measuring time and tracking celestial bodies).

Multiple choice

Which of the following observatories was established by the British in India?

  1. Madras Observatory

  2. Kodaikanal Observatory

  3. Udaipur Solar Observatory

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The British established several observatories in India during their colonial rule, including the Madras Observatory, the Kodaikanal Observatory, and the Udaipur Solar Observatory. These observatories played a significant role in advancing astronomical research and contributing to the development of modern astronomy in India.

Multiple choice

What was the primary focus of research at the Madras Observatory?

  1. Stellar spectroscopy

  2. Solar observations

  3. Planetary astronomy

  4. Astrophysics
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Madras Observatory primarily focused on stellar spectroscopy, which involves studying the light emitted by stars to understand their physical properties, chemical composition, and behavior.

Multiple choice

Which of the following observatories is dedicated to radio astronomy in India?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Ooty Radio Telescope (ORT)

  3. Devasthal Optical Telescope (DOT)

  4. Vainu Bappu Observatory (VBO)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) is a radio astronomy observatory located near Pune, India. It is one of the world's largest radio telescopes and is dedicated to studying the universe at radio wavelengths, allowing astronomers to explore various celestial objects and phenomena.

Multiple choice

Which space telescope is known for its infrared observations of the universe, including the discovery of extrasolar planets?

  1. Spitzer Space Telescope

  2. Hubble Space Telescope

  3. James Webb Space Telescope

  4. Chandra X-ray Observatory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Spitzer Space Telescope is known for its infrared observations of the universe, including the discovery of extrasolar planets.

Multiple choice

Which space telescope is known for its X-ray observations of the universe, including the discovery of black holes and neutron stars?

  1. Chandra X-ray Observatory

  2. Hubble Space Telescope

  3. James Webb Space Telescope

  4. Spitzer Space Telescope
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Chandra X-ray Observatory is known for its X-ray observations of the universe, including the discovery of black holes and neutron stars.

Multiple choice

What is the name of the largest optical telescope in India?

  1. Giant Metrewave Radio Telescope

  2. Aryabhatta Research Institute of Observational Sciences

  3. Vainu Bappu Observatory

  4. Himalayan Chandra Telescope
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Himalayan Chandra Telescope is the largest optical telescope in India, located at an altitude of 4,500 meters in the Himalayas.

Multiple choice

What is the name of the Indian astronomical observatory located in Kavalur, Tamil Nadu?

  1. Vainu Bappu Observatory

  2. Aryabhatta Research Institute of Observational Sciences

  3. Indian Institute of Astrophysics

  4. National Centre for Radio Astrophysics
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Vainu Bappu Observatory is an astronomical observatory located in Kavalur, Tamil Nadu, India.

Multiple choice

What is the name of the Indian astronomical observatory located in Hanle, Ladakh?

  1. Indian Astronomical Observatory

  2. Aryabhatta Research Institute of Observational Sciences

  3. Indian Institute of Astrophysics

  4. National Centre for Radio Astrophysics
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Indian Astronomical Observatory is an astronomical observatory located in Hanle, Ladakh, India.

Multiple choice

What is the name of the Indian astronomical observatory located in Nainital, Uttarakhand?

  1. Aryabhatta Research Institute of Observational Sciences

  2. Indian Institute of Astrophysics

  3. National Centre for Radio Astrophysics

  4. Uttarakhand State Observatory
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Uttarakhand State Observatory is an astronomical observatory located in Nainital, Uttarakhand, India.

Multiple choice

What is the name of the Indian astronomical observatory located in Pachmarhi, Madhya Pradesh?

  1. Aryabhatta Research Institute of Observational Sciences

  2. Indian Institute of Astrophysics

  3. National Centre for Radio Astrophysics

  4. Pachmarhi Observatory
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Pachmarhi Observatory is an astronomical observatory located in Pachmarhi, Madhya Pradesh, India.

Multiple choice

Which of the following is NOT a type of astronomical observatory?

  1. Optical observatory

  2. Radio observatory

  3. X-ray observatory

  4. Gamma-ray observatory
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Gamma-ray observatories are not typically considered to be astronomical observatories, as they are used to detect gamma rays, which are not visible light.

Multiple choice

Which of the following is NOT a type of astronomical telescope array?

  1. Very Large Telescope

  2. Keck Telescope Array

  3. Atacama Large Millimeter Array

  4. Square Kilometer Array
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Square Kilometer Array is not a telescope array in the traditional sense, as it is a collection of radio telescopes that are spread out over a large area.

Multiple choice

What is the name of the international collaboration that operates the Laser Interferometer Gravitational-Wave Observatory (LIGO)?

  1. The Gravitational Wave International Collaboration (GWIC)

  2. The Laser Interferometer Gravitational-Wave Observatory Collaboration (LIGO Collaboration)

  3. The Virgo Collaboration

  4. The KAGRA Collaboration
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The LIGO Collaboration is the international collaboration that operates the Laser Interferometer Gravitational-Wave Observatory (LIGO).

Multiple choice

What is the largest optical telescope in India?

  1. Giant Metrewave Radio Telescope

  2. Aryabhata Research Institute of Observational Sciences

  3. Vainu Bappu Observatory

  4. Himalayan Chandra Telescope
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Himalayan Chandra Telescope is the largest optical telescope in India. It is located at an altitude of 4,500 meters in the Himalayas and has a mirror diameter of 2.0 meters.