General Awareness ยท Physics

Indian Observatories and Astronomy

2,525 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

What is the primary method of observation used in modern Indian astronomy?

  1. Optical telescopes

  2. Radio telescopes

  3. X-ray telescopes

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

Optical telescopes are the most widely used type of telescope in modern Indian astronomy. They collect visible light from celestial objects and focus it to form an image.

Multiple choice

What is the largest optical telescope in India?

  1. The Giant Metrewave Radio Telescope (GMRT)

  2. The Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. The Vainu Bappu Observatory (VBO)

  4. The Kavalur Observatory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) is the largest optical telescope in India. It is located near Pune, Maharashtra.

Multiple choice

Which of the following is not a type of radio telescope?

  1. Single-dish radio telescope

  2. Interferometer

  3. Phased array radio telescope

  4. Synthetic aperture radio telescope
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A phased array radio telescope is a type of radar, not a radio telescope.

Multiple choice

What is the largest radio telescope in India?

  1. The Giant Metrewave Radio Telescope (GMRT)

  2. The Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. The Vainu Bappu Observatory (VBO)

  4. The Kavalur Observatory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) is the largest radio telescope in India. It is located near Pune, Maharashtra.

Multiple choice

Which of the following is not a type of X-ray telescope?

  1. Focusing X-ray telescope

  2. Non-focusing X-ray telescope

  3. Imaging X-ray telescope

  4. Spectroscopic X-ray telescope
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

There is no such thing as a non-focusing X-ray telescope.

Multiple choice

What is the largest X-ray telescope in India?

  1. The Giant Metrewave Radio Telescope (GMRT)

  2. The Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. The Vainu Bappu Observatory (VBO)

  4. The Kavalur Observatory
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

There is no X-ray telescope in India.

Multiple choice

Which of the following is not a type of infrared telescope?

  1. Refracting infrared telescope

  2. Reflecting infrared telescope

  3. Catadioptric infrared telescope

  4. Schmidt infrared telescope
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

There is no such thing as a Schmidt infrared telescope.

Multiple choice

What is the largest infrared telescope in India?

  1. The Giant Metrewave Radio Telescope (GMRT)

  2. The Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. The Vainu Bappu Observatory (VBO)

  4. The Kavalur Observatory
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Vainu Bappu Observatory (VBO) is the largest infrared telescope in India. It is located near Kavalur, Tamil Nadu.

Multiple choice

What is the primary method of data collection used in modern Indian astronomy?

  1. CCD cameras

  2. Photographic plates

  3. Spectrometers

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

CCD cameras are the primary method of data collection used in modern Indian astronomy. They are electronic devices that convert light into an electrical signal.

Multiple choice

What is the largest CCD camera in India?

  1. The Giant Metrewave Radio Telescope (GMRT)

  2. The Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. The Vainu Bappu Observatory (VBO)

  4. The Kavalur Observatory
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

There is no single largest CCD camera in India. The size of a CCD camera depends on the specific telescope it is used with.

Multiple choice

What is the largest photographic plate used in India?

  1. The Giant Metrewave Radio Telescope (GMRT)

  2. The Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. The Vainu Bappu Observatory (VBO)

  4. The Kavalur Observatory
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

There is no single largest photographic plate used in India. The size of a photographic plate depends on the specific telescope it is used with.

Multiple choice

What is the largest spectrometer in India?

  1. The Giant Metrewave Radio Telescope (GMRT)

  2. The Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. The Vainu Bappu Observatory (VBO)

  4. The Kavalur Observatory
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

There is no single largest spectrometer in India. The size of a spectrometer depends on the specific telescope it is used with.

Multiple choice

What is the largest radiometer in India?

  1. The Giant Metrewave Radio Telescope (GMRT)

  2. The Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. The Vainu Bappu Observatory (VBO)

  4. The Kavalur Observatory
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

There is no single largest radiometer in India. The size of a radiometer depends on the specific telescope it is used with.

Multiple choice

Which of the following is an example of an international initiative aimed at addressing data security and privacy challenges in astroinformatics?

  1. The International Virtual Observatory Alliance (IVOA)

  2. The Square Kilometer Array (SKA) Observatory

  3. The European Southern Observatory (ESO)

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

The IVOA, the SKA Observatory, and the ESO are all examples of international initiatives that are working to address data security and privacy challenges in astroinformatics.

Multiple choice

What is the name of the astronomical observatory built by Maharaja Jai Singh II?

  1. Jantar Mantar

  2. Ujjain Observatory

  3. Nalanda Observatory

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

Jantar Mantar is the name of the astronomical observatory built by Maharaja Jai Singh II in the 18th century, which consists of several architectural structures for astronomical observations.