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 the oldest astronomical observatory in India?

  1. Ujjain Observatory

  2. Jantar Mantar

  3. Vainu Bappu Observatory

  4. Aryabhata Research Institute of Observational Sciences
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Ujjain Observatory, also known as the Vedhshala, is the oldest astronomical observatory in India. It was built in the 5th century BC by the astronomer and mathematician Aryabhata.

Multiple choice

Which of the following observatories in India is known for its contributions to the study of solar physics?

  1. Udaipur Solar Observatory

  2. Kodaikanal Solar Observatory

  3. Vainu Bappu Observatory

  4. Aryabhata Research Institute of Observational Sciences
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Kodaikanal Solar Observatory, located in Tamil Nadu, is known for its contributions to the study of solar physics. It has been in operation since 1900 and has made significant observations of the Sun.

Multiple choice

Which of the following observatories in India is dedicated to the study of cosmic rays?

  1. Udaipur Cosmic Ray Observatory

  2. Kodaikanal Cosmic Ray Observatory

  3. Vainu Bappu Cosmic Ray Observatory

  4. Aryabhata Cosmic Ray Observatory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Udaipur Cosmic Ray Observatory, located in Rajasthan, is dedicated to the study of cosmic rays. It has been in operation since 1964 and has made significant contributions to the understanding of cosmic ray physics.

Multiple choice

The Aryabhata Research Institute of Observational Sciences (ARIES) is located in which state of India?

  1. Uttarakhand

  2. Himachal Pradesh

  3. Jammu and Kashmir

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

The Aryabhata Research Institute of Observational Sciences (ARIES) is located in Nainital, Uttarakhand. It is a premier research institute dedicated to astronomical and astrophysical research.

Multiple choice

Which of the following observatories in India is known for its contributions to the study of gamma-ray astronomy?

  1. Udaipur Gamma-Ray Observatory

  2. Kodaikanal Gamma-Ray Observatory

  3. Vainu Bappu Gamma-Ray Observatory

  4. Aryabhata Gamma-Ray Observatory
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Udaipur Gamma-Ray Observatory, located in Rajasthan, is known for its contributions to the study of gamma-ray astronomy. It has been in operation since 1985 and has made significant observations of gamma-ray sources.

Multiple choice

The Indian Space Research Organisation (ISRO) operates a network of observatories known as the Indian Astronomical Observatory (IAO). Which of the following is not a part of the IAO?

  1. Vainu Bappu Observatory

  2. Kodaikanal Solar Observatory

  3. Giant Metrewave Radio Telescope

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

The Chandra X-ray Observatory is a NASA mission and is not part of the Indian Astronomical Observatory (IAO) operated by ISRO.

Multiple choice

Which of the following observatories in India is known for its contributions to the study of infrared astronomy?

  1. Udaipur Infrared Observatory

  2. Kodaikanal Infrared Observatory

  3. Vainu Bappu Infrared Observatory

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

The Udaipur Infrared Observatory, located in Rajasthan, is known for its contributions to the study of infrared astronomy. It has been in operation since 1986 and has made significant observations of infrared sources.

Multiple choice

The Indian Neutrino Observatory (INO) is an underground laboratory dedicated to the study of neutrinos. Which of the following states is it located in?

  1. Tamil Nadu

  2. Karnataka

  3. Madhya Pradesh

  4. Andhra Pradesh
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Indian Neutrino Observatory (INO) is located in the Bodi Hills of Theni district, Tamil Nadu. It is an underground laboratory dedicated to the study of neutrinos.

Multiple choice

Which of the following observatories in India is known for its contributions to the study of X-ray astronomy?

  1. Udaipur X-ray Observatory

  2. Kodaikanal X-ray Observatory

  3. Vainu Bappu X-ray Observatory

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

The Udaipur X-ray Observatory, located in Rajasthan, is known for its contributions to the study of X-ray astronomy. It has been in operation since 1989 and has made significant observations of X-ray sources.

Multiple choice

The Vainu Bappu Observatory is known for its contributions to the study of which branch of astronomy?

  1. Optical Astronomy

  2. Radio Astronomy

  3. X-ray Astronomy

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

The Vainu Bappu Observatory is known for its contributions to the study of optical astronomy. It has been in operation since 1968 and has made significant observations of various astronomical objects in the visible and near-infrared regions of the electromagnetic spectrum.

Multiple choice

What was the name of the observatory that Lagadha used to make his astronomical observations?

  1. Ujjain Observatory

  2. Nalanda Observatory

  3. Takshashila Observatory

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

Lagadha used the Ujjain Observatory to make his astronomical observations.

Multiple choice

What is the largest optical telescope in the world?

  1. Gran Telescopio Canarias

  2. Keck I and Keck II telescopes

  3. Very Large Telescope

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

The Gran Telescopio Canarias is the largest optical telescope in the world, with a primary mirror diameter of 10.4 meters.

Multiple choice

Which type of telescope is used to detect radio waves from space?

  1. Refracting telescope

  2. Reflecting telescope

  3. Radio telescope

  4. Electron microscope
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Radio telescopes are used to detect radio waves from space. They are typically large and dish-shaped, and they use a parabolic reflector to focus radio waves onto a receiver.

Multiple choice

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

  1. Optical interferometry

  2. Infrared interferometry

  3. Radio interferometry

  4. Electron microscopy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Electron microscopy is used to magnify very small objects, such as cells and molecules. It does not involve the study of light, so it is not considered astronomical interferometry.

Multiple choice

Which organization is responsible for coordinating astronomy outreach activities in India?

  1. Indian Space Research Organization (ISRO)

  2. National Council of Science Museums (NCSM)

  3. Indian Institute of Astrophysics (IIA)

  4. Jawaharlal Nehru Planetarium (JNP)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The National Council of Science Museums (NCSM) is the nodal agency for coordinating astronomy outreach activities in India. It operates a network of science museums and planetariums across the country, which serve as platforms for public engagement with astronomy and space science.