Question

Finding the diameter of a spherical body using vernier callipers

Answer 1

Answer:

Explanation:

Note main scale reading from main scale and then find Vernier scale reading with Vernier scale with help of least count.

Add two readings after removing zero error

Answer 2

Answer:

Procedure

Determine the vernier constant (V.C.) ...

Bring the movable jaw BD in close contact with the fixed jaw AC and find the zero error. ...

Open the jaws, place the sphere or cylinder between the two jaws A and B and adjust the jaw DB, such that it gently grips the body without any undue pressure on it.

Explanation:

Hopes you understood