What is the least count of a standard vernier caliper? (2021)

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Question: What is the least count of a standard vernier caliper? (2021)

Options:

Correct Answer: 0.01 cm

Exam Year: 2021

Solution:

The least count of a standard vernier caliper is typically 0.01 cm.

What is the least count of a standard vernier caliper? (2021)

What is the least count of a standard vernier caliper? (2021)

Step 1: Understand what a vernier caliper is. It is a tool used to measure the dimensions of an object with high precision.
Step 2: Know that the least count is the smallest measurement that can be read accurately with the tool.
Step 3: A standard vernier caliper usually has a main scale and a sliding scale (the vernier scale).
Step 4: The main scale typically has markings in centimeters (cm) and millimeters (mm).
Step 5: The vernier scale allows for more precise measurements between the main scale markings.
Step 6: For a standard vernier caliper, the least count is calculated as the difference between one main scale reading and one vernier scale reading.
Step 7: In most standard vernier calipers, the least count is found to be 0.01 cm (which is equal to 0.1 mm).
Step 8: Therefore, the least count of a standard vernier caliper is 0.01 cm.

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