TNPSC Group 2 Online Mock Test 2019-2020 - 1

Question: 1

The velocity of rain drop attains constant value because of

(A) Air currents

(B) Surface tension

(C) Up thrust of air

(D) Viscous force exerted by air

Question: 2

The most suitable unit for expressing nuclear radius is

(A) Angstrom

(B) Fermi

(C) Nanometer

(D) Micron

Question: 3

Ampere is the unit of

(A) Resistance

(B) Current electricity

(C) Magnetic field

(D) Electric charge

Question: 4

Which of the following is not the unit of energy?

(A) Watt

(B) Electron volt

(C) Joule

(D) Calorie

Question: 5

The clouds float in the atmosphere because of their low

(A) Pressure

(B) Velocity

(C) Temperature

(D) Density