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In an experiment the angles are required to be measured using an instrument, 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half- a degree (= 0.5°), then the least count of the instrument is :
  • a)
    half minute
  • b)
    one degree
  • c)
    half degree
  • d)
    one minute
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
In an experiment the angles are required to be measured using an instr...
30 Divisions of vernier scale coincide with 29 divisions of main scales

Least count = 1 MSD – 1VSD
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Most Upvoted Answer
In an experiment the angles are required to be measured using an instr...
The smallest division of the main scale is 0.5 degrees and there are 29 divisions that coincide with the 30 divisions of the vernier scale.

To find the value of one division of the vernier scale, we divide the smallest division of the main scale (0.5 degrees) by the number of divisions on the vernier scale (30).

0.5 degrees / 30 divisions = 0.0167 degrees per division

Therefore, each division on the vernier scale represents 0.0167 degrees.
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In an experiment the angles are required to be measured using an instrument, 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half- a degree (= 0.5°), then the least count of the instrument is :a)half minuteb)one degreec)half degreed)one minuteCorrect answer is option 'D'. Can you explain this answer?
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In an experiment the angles are required to be measured using an instrument, 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half- a degree (= 0.5°), then the least count of the instrument is :a)half minuteb)one degreec)half degreed)one minuteCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about In an experiment the angles are required to be measured using an instrument, 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half- a degree (= 0.5°), then the least count of the instrument is :a)half minuteb)one degreec)half degreed)one minuteCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In an experiment the angles are required to be measured using an instrument, 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half- a degree (= 0.5°), then the least count of the instrument is :a)half minuteb)one degreec)half degreed)one minuteCorrect answer is option 'D'. Can you explain this answer?.
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