View the new MCQs of Physics for the upcoming 2021 examinations at Physics MCQs Class 9 NEW
Category: Physics MCQs Class 9
Physics solved multiple choice questions (MCQs) for class 9 with answers.
Centripetal acceleration a = _____.
(A) v²/r
(B) g²/r
(C) ma
(D) mv²/r
Answer: (A) v²/r
Co-efficient of volume expansion as compare to co-efficient of linear expansion is ______ times greater.
(A) 1
(B) 2
(C) 3
(D) 4
Answer: (C) 3
Unit of Viscosity is _____.
(A) kgms-1
(B) kgm-1s-1
(C) kgm2s
(D) kgm2s2
Answer: (B) kgm-1s-1
Least count of screw gauge is _____.
(A) 1 mm
(B) 0.1 mm
(C) 0.01 mm
(D) 0.001 mm
Answer: (C) 0.01 mm