Identify the base quantity in the following.
9th Class Physics MCQs Test for Exam Preparation with Answers , 9th class physics important mcqs chapter wise practice test online.
1. Physical Quantities & Measurement
4. Turning Effect of Forces
6. Work & Energy
7. Properties of Matter
8. Thermal Properties of Matter
9. Transfer of Heat
A. All the digits
B. All the accurately known digits
C. Al the accurately known digits and the first doubtful digit
D. All the accurately known and all the doubrful digits
D. Level of a liquid
C. 1.03 cm
D. 1.032 cm