Which of the following is the most precise instrument for measuring length?

Question

Which of the following is the most precise instrument for measuring length? (A) Metre rod of least count 0.1 cm (B) Vernier callipers of least count 0.01 cm (C) Screw gauge of least count 0.001 cm (D) None of these

Tardigrade Admin · Accepted Answer

Screw gauge has minimum least count of 0.001 cm. Hence, it is most precise instrument.

Q. Which of the following is the most precise instrument for measuring length?

Metre rod of least count $0.1 c m$

Vernier callipers of least count $0.01 c m$

Screw gauge of least count $0.001 c m$

None of these

Screw gauge has minimum least count of $0.001 c m$ . Hence, it is most precise instrument.

Q. Which of the following is the most precise instrument for measuring length?

Metre rod of least count 0.1cm

Vernier callipers of least count 0.01cm

Screw gauge of least count 0.001cm

None of these

Screw gauge has minimum least count of 0.001cm. Hence, it is most precise instrument.

Metre rod of least count $0.1 c m$

Vernier callipers of least count $0.01 c m$

Screw gauge of least count $0.001 c m$

Screw gauge has minimum least count of $0.001 c m$ . Hence, it is most precise instrument.