Multiple choice

Assertion (A): In medieval India, screw making was undertaken by soldering a piece of wire on an iron nail. Reason (R) : The technology of lathe-work was not known to the Indians.

  1. Both A and R are individually true and R is the correct explanation of A

  2. Both A and R are individually true but R is not the correct explanation of A

  3. A is true but R is false

  4. A is false but R is true
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The assertion describes a primitive method of screw making, and the reason correctly identifies that the lack of advanced lathe technology in medieval India limited the precision of such mechanical components.

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