by pkilm4u | Aug 17, 2021 | 9th class physics, 9th class physics mcqs
9th Class Physics Chapter 1 Important MCQS With Answer 9th class Physics Chaper 01 MCQS The Number of Base Units in SI are: a) 3 b) 6 c) 7 d) 9 Answer c) 7 Which one of the following unit is not a derived unit? a) Pascal b) Kilogram c) Newton d) Mole Answer d) Mole...