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Question

Match the LIST-I with LIST-II

LIST-ILIST-II
A. Samrat YantraI. Hemispheric instrument
B. Digamsha YantraII. Cylindrical instrument
C. Ram YantraIII. Azimuth instrument
D. Jai PrakashIV. Equinoctial Dial

Choose the correct answer from the options given below:

The correct answer is
A-IV, B-III, C-II, D-I

The question requires matching astronomical instruments from LIST-I with their types from LIST-II.

Matching Astronomical Instruments and Types

We need to match the following:

  • LIST-I: A. Samrat Yantra, B. Digamsha Yantra, C. Ram Yantra, D. Jai Prakash
  • LIST-II: I. Hemispheric instrument, II. Cylindrical instrument, III. Azimuth instrument, IV. Equinoctial Dial

Instrument Identification

Let's identify the characteristics of each instrument:

  • Samrat Yantra: A large sundial, primarily functioning as an equinoctial dial to measure time.
  • Digamsha Yantra: An instrument designed to measure azimuth (the horizontal direction angle of a celestial object).
  • Ram Yantra: A structure, often cylindrical or pillar-like, used for measuring altitudes and shadow lengths.
  • Jai Prakash: A sophisticated shadow instrument, often hemispheric in design, used for determining the declination and position of celestial bodies.

Matching Process

Based on the identification, we can establish the correct matches:

  • Samrat Yantra is an Equinoctial Dial (A-IV).
  • Digamsha Yantra measures Azimuth (B-III).
  • Ram Yantra is often considered a Cylindrical instrument structure (C-II).
  • Jai Prakash is a Hemispheric instrument (D-I).

Correct Option Verification

The derived matches are A-IV, B-III, C-II, D-I. This corresponds to Option 3 provided in the question.

Final Answer: The correct matching is A-IV, B-III, C-II, D-I.

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