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 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.

Multiple choice

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

  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 Sawai Jai Singh II in Jaipur, Rajasthan.

Multiple choice

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

  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 Delhi, India.

Multiple choice

Which Indian institution is actively involved in the study of cometary structure?

  1. Indian Institute of Astrophysics (IIA)

  2. Aryabhatta Research Institute of Observational Sciences (ARIES)

  3. Tata Institute of Fundamental Research (TIFR)

  4. Physical Research Laboratory (PRL)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Indian Institute of Astrophysics (IIA) is a leading institution in India that conducts research on cometary structure. Its scientists have made significant contributions to understanding the morphology, dust distribution, and nucleus properties of comets.

Multiple choice

Which Indian telescope has been used to observe comets and study their structure?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Himalayan Chandra Telescope (HCT)

  3. Vainu Bappu Observatory (VBO)

  4. Devasthal Optical Telescope (DOT)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Vainu Bappu Observatory (VBO) is a major astronomical observatory in India that has been used to observe comets and study their structure. Its telescopes have been employed to obtain images and spectroscopic data of comets, providing valuable insights into their physical properties.

Multiple choice

What is the name of the Indian telescope that was used to observe the breakup of Comet Shoemaker-Levy 9?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Himalayan Chandra Telescope (HCT)

  3. Vainu Bappu Observatory (VBO)

  4. Devasthal Optical Telescope (DOT)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Giant Metrewave Radio Telescope (GMRT) was used to observe the breakup of Comet Shoemaker-Levy 9 in 1994. The GMRT's observations provided valuable information about the dynamics and structure of the cometary fragments.

Multiple choice

What is the name of the Indian telescope that was used to detect the optical counterpart of a gamma-ray burst for the first time?

  1. Giant Metrewave Radio Telescope (GMRT)

  2. Himalayan Chandra Telescope (HCT)

  3. Vainu Bappu Observatory (VBO)

  4. Aryabhatta Research Institute of Observational Sciences (ARIES)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Himalayan Chandra Telescope (HCT), located in Uttarakhand, India, was used to detect the optical counterpart of a gamma-ray burst for the first time. This observation provided crucial information about the nature and distance of gamma-ray bursts.