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
Ans: 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
Ans: B
Fermi
Question: 3
Ampere is the unit of
(A) Resistance
(B) Current electricity
(C) Magnetic field
(D) Electric charge
Ans: B
Current electricity
Question: 4
Which of the following is not the unit of energy?
(A) Watt
(B) Electron volt
(C) Joule
(D) Calorie
Ans: A
Watt
Question: 5
The clouds float in the atmosphere because of their low
(A) Pressure
(B) Velocity
(C) Temperature
(D) Density
Ans: D
Density
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