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Physics Grade 9, Unit 1, Multiple Choice Questions

Physical Quantities and Measurement

Multiple Choice Questions

  1. How many millimeters are there in 10 cm?

A. 100 mm

B. 200 mm

C. 50 mm

D. 10 mm


  1. Which of the following quantity can be measured using a micrometer?

A. Current

B. force

C. length

D. mass


  1. The instrument best measures the internal diameter of a pipe is

A. screw gauge

B. vernier caliper

C. meter rule

D. measuring tape


  1. Which prefix represents a larger value?

A. mega

B. giga

C. peta

D. exa


  1. Which of the following is the smallest prefix?

A. atto

B. pico

C. nano

D. femto


  1. Which of the following numbers shows one significant digits?

A. 1.1

B. 6.0

C. 7.1

D. 6 × 102


  1. Which of the following numbers show 4 significant digits?

A. 900.8

B. 4

C. 5174.00

D. 0.0002


  1. A light year is distance travelled by light in one year. It travels about 9.460 × 1015 m. How many significant numbers are in this number?

A. 6

B. 2

C. 3

D. 4


  1. 0.2 mm in units of meters is

A. 0.0002 m

B. 2 × 10-4 m

C. none

D. both A and B


  1. KITAB UL MANAZIR is the name of book written by

A. Yaqub Kindi

B. Ibnal Haitham

C. Al Beruni

D. none


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