Physical Quantities & Measurement

A) 15 m/s B) 45 m/s C) 30 m/s D) 60 m/s Answer: C Explanation: Use speed in m/s = […]

A) 2.5 m/s B) 7.5 m/s C) 10 m/s D) 5 m/s Answer: D Explanation: Use speed in m/s = […]

A) 5 m/s B) 15 m/s C) 10 m/s D) 20 m/s Answer: C Explanation: Use speed in m/s = […]

A) 7.5 m/s B) 15 m/s C) 22.5 m/s D) 30 m/s Answer: B Explanation: Use speed in m/s = […]

A) 20 m/s B) 10 m/s C) 30 m/s D) 40 m/s Answer: A Explanation: Use speed in m/s = […]

A) 12.5 m/s B) 37.5 m/s C) 50 m/s D) 25 m/s Answer: D Explanation: Use speed in m/s = […]

A) Three B) One C) Two D) Five Answer: A Explanation: Leading zeros only locate the decimal place. The digits […]

A) Two B) Four C) Three D) Five Answer: B Explanation: The zero between nonzero digits counts. A trailing zero […]

A) Dimension of force B) Systematic error C) Vernier caliper D) Derived quantity Answer: B Explanation: Systematic error refers to […]

A) Accuracy B) Vector C) Least count D) Uncertainty Answer: B Explanation: Vector refers to a physical quantity specified by […]