TNPSC Group 1, 2, 4, VAO Mechanics and Properties of Matter in Physics - 2

Question: 6

The modulus of rigidity of a liquid is

(A) 1

(B) Zero

(C) Infinite

(D) None of these

Question: 7

The operating principle of a hydraulic press is

(A) Newton’s law of gravitation

(B) Boyle’s law

(C) Archimedes’s principle

(D) Pascal’s principle

Question: 8

Number of basic S.I. units is

(A) 4

(B) 5

(C) 7

(D) 9

Question: 9

Fat can be separated from milk in a cream separator because of

(A) Centrifugal force

(B) Centripetal force

(C) Gravitational force

(D) Cohesive force

Question: 10

When there are no external forces the shape of a liquid drop is determined by

(A) Temperature of air

(B) Viscosity of air

(C) Density of the liquid

(D) Surface tension of the liquid