Surya Tilak Project Overview
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Questions and Answers

Which institute played a crucial role in designing the astronomical setup for the Surya Tilak Project?

  • Physical Research Laboratory (PRL)
  • Indian Space Research Organisation (ISRO)
  • Indian Institute of Astrophysics (IIA) (correct)
  • Tata Institute of Fundamental Research (TIFR)

On which festival does the Surya Tilak occur at the Ram Temple in Ayodhya?

  • Ram Navami (correct)
  • Janmashtami
  • Diwali
  • Holi

What type of filter is used to absorb heat in the Surya Tilak system?

  • Ultraviolet filter
  • Polarizing filter
  • Neutral density filter
  • Infrared filter (correct)

How many mirrors are used in the final design of the Surya Tilak system?

<p>4 (B)</p> Signup and view all the answers

Which company manufactured the device for the Surya Tilak Project?

<p>Optica, Bangalore (C)</p> Signup and view all the answers

What is the approximate size of the tilak on the idol's forehead?

<p>38 mm (B)</p> Signup and view all the answers

How often does the first mirror in the system need to be adjusted?

<p>Monthly (C)</p> Signup and view all the answers

What is the primary challenge if there's no sunlight due to clouds or rain?

<p>The mechanism will not work (B)</p> Signup and view all the answers

What is the principle behind the opto-mechanical system used in the Surya Tilak Project?

<p>Periscope (C)</p> Signup and view all the answers

How many gear teeth must be turned each year to adjust the pickup mirror?

<p>One (C)</p> Signup and view all the answers

What material is coated on the inner surface of the pipes to avoid light scattering?

<p>Black powder (A)</p> Signup and view all the answers

What is the name of the chamber where the final mirror is located?

<p>Garbha griha (D)</p> Signup and view all the answers

Which department is the Indian Institute of Astrophysics (IIA) under?

<p>Department of Science and Technology (D)</p> Signup and view all the answers

Which floor designation corresponds to the ground level in a building?

<p>Ground floor (D)</p> Signup and view all the answers

What type of light does the Surya Tilak Project aim to direct onto the forehead of Lord Ram?

<p>Sunlight (A)</p> Signup and view all the answers

What function does the pickup mirror serve in the Surya Tilak Project?

<p>Focusing light (B)</p> Signup and view all the answers

Flashcards

Surya Tilak Project Institute

The Indian Institute of Astrophysics (IIA) designed the astronomical setup for the Surya Tilak Project.

Surya Tilak Festival

A sunbeam ceremony, that takes place at the Ram Temple in Ayodhya, during Ram Navami.

Surya Tilak Duration

The Surya Tilak illumination typically lasts for 5 minutes.

Ram Navami Calendar

Ram Navami follows the lunisolar calendar.

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Surya Tilak Mirrors

The final design of the Surya Tilak system uses 4 mirrors.

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Surya Tilak Lenses

The final design of the Surya Tilak system uses 3 lenses.

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Surya Tilak Tilak Size

The approximate size of the tilak on the idol's forehead is 48 mm.

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Surya Tilak Company

Optica, Bangalore manufactured the device for the Surya Tilak Project.

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Surya Tilak Project

A project using an opto-mechanical system to direct sunlight onto a specific point.

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Opto-mechanical system

System using optical and mechanical components to control direction of light.

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Pickup Mirror Adjustment

Mechanism for adjusting the mirror to maintain sunlight focus.

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Light Scattering Prevention

Coating inner pipes to reduce light scattering.

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Final Mirror Chamber

Location of the final mirror in the system.

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Indian Institute of Astrophysics (IIA) Department

Department of Science and Technology, part of Indian government.

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Periscope

Optical instrument to view objects around obstacles.

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Gear Teeth Turning Frequency

Number of times gear teeth must turn for mirror adjustment each year.

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Study Notes

Surya Tilak Project (Sunbeam)

  • The Indian Institute of Astrophysics (IIA) designed the astronomical setup
  • The ceremony occurs at the Ram Temple in Ayodhya on Ram Navami
  • The Surya Tilak illumination typically lasts for 3 minutes
  • Ram Navami follows the lunisolar calendar
  • The English calendar date of Ram Navami repeats every 19 years (Metonic cycle)
  • Central Building Research Institute (CBRI) implemented the opto-mechanical system
  • The final design of the Surya Tilak system uses 4 mirrors and 4 lenses
  • The tilak on the idol's forehead is approximately 58 mm
  • Optica, Bangalore manufactured the device
  • The Surya Tilak system uses an infrared filter to absorb heat
  • The first mirror in the system needs annual adjustment
  • If there's no sunlight due to clouds or rain, the mechanism won't work
  • The sunbeam enters the temple from the second floor
  • The opto-mechanical system used is a periscope
  • One gear tooth needs to be turned annually to adjust the pickup mirror
  • Black powder is coated on the inner surface of pipes to prevent light scattering
  • The chamber where the final mirror is located is the Garbha griha
  • The Indian Institute of Astrophysics (IIA) is under the Department of Science and Technology

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Description

Explore the fascinating details of the Surya Tilak Project designed by the Indian Institute of Astrophysics. This astronomical setup involves intricate mechanisms that illuminate the Ram Temple on Ram Navami, highlighting the use of optics and the importance of sunlight. Learn more about its design, materials, and ceremonial significance.

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