The Vernier constant of a Vernier Callipers is

• A. least count of Vernier callipers
• B. Value of 1 division of main scale
• C. value of 1 division of vernier scale
• D. None of these

The Vernier constant is an important concept in using Vernier calipers for precise measurements. It is defined as the difference between one main scale division and one vernier scale division.

Understanding the Options

• A. Least count of Vernier callipers: This refers to the smallest measurement that can be taken using the instrument.
• B. Value of 1 division of main scale: This is the measurement represented by each division on the main scale.
• C. Value of 1 division of vernier scale: This is the measurement represented by each division on the vernier scale.
• D. None of these: This option suggests that none of the previous answers are correct.

The Correct Answer

The Vernier constant is actually the value of one division of the vernier scale, which makes option C the correct choice. This value is crucial for calculating measurements accurately with the calipers.