TNPSC - General Q&A

1.The radius of a wheel is 1.75. How many revolutions will it make in travelling 11km?
10 100 1000 10000

2.Find out the8th term of the Geometric Progression 1/3 , 1/6, 1/12
1/24 1/48 1/384 1/128

3.By selling a car for Rs.1,40,000 a man suffered a loss of 20%. What was the cost prize of the car?
Rs. 1,50,000 Rs. 2,00,000 Rs. 1,25,000 Rs. 1,75,000

4.The speed of a boat in still water is 15 km/hr and the speed of current is 3 km/hr. The distance travelled downstream in 12 minutes is
3.6 km 2.4 km 1.5 km 1.8 km

5.The offshore oil fields are mainly concentrated in
Continental Shelf Continental Slope High Sea Sea mounts

Physics- Basic General Knowledge questions and answers

1. When the object is placed very close to the concave mirror, the image formed is

Small, inverted virtual image Enlarged, inverted virtual image Enlarged, erected virtual image Small erected virtual image

2.Which of the following is not a fundamental quality

Time Length Mass Area

3.The Audible Range of bazt is (Hertz)

20-20,000 900-2,00,000 100-32,000 1000-1,50,000

4.The Principle of fuse wire is

Oersted Experiment Amphere’s Law Ohm’s Law Jule Thermal Law

5.The method used to separate two substances based on the difference in the force of attraction between two substances

Chromatography Filtration Sublimation Distillation

GENERAL KNOWLEDGE QUIZ - TNPSC

1.A river of 1.5m deep and 36 m wide is flowing at the rate of 3.5 km per hour. The amount of water that runs into the sea per minute is

3150 m3 31500 m3 6300 m3 63000 m3

2.Theethal Beach Located in the state of ....................

Maharastra Gujarat Kerala Karnataka

3./Arrange the following element in the order of their increasing atomic weight

C, AL, Na, P C, Na, Al, P Na, C, P, Al Na, C, Al, P

4.The ratio of numbers 3:4 and their H.C.F is 4. Their L.C.M is

12 15 24 48

5.Arun’s age is half as his father. Twelve years ago, his father’s age was three times that of Arun’s what is the present age of Arun?

24 48 36 12

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PHYSICS II

21. Which of the following actions will double the period of a simple pendulum?

a. double the length of the pendulum

b. double the mass of the bob

c. double the mass of the bob 2 times greater

d. make the pendulum four times long.

22. Which of the following functions is performed by a photo-cell?

a. it converts magnetic energy into electrical energy

b. it converts chemical energy into electrical energy

c. it converts electrical energy into light electrical

d. it converts light energy into electrical energy

24. Which of the following is an insulator?

a) aluminium b) copper c) glass d) silver

25. Light emerging from a nicol prism has

a. vibrations in all directions

b. no vibration at all

c. vibration in two mutually perpendicular directions

d. vibrations in only one direction

PHYSICS I

11. Arrange in descending order of wave length (long to short)

I. Infra – red II) Ultra violet III. Gamma rays IV) Micro waves The correct order is

a) IV, I, II III b) I, IV, II, III c) I, II, III, IV d) III, II, I, IV

12. Electromagnetic radiation are given out due to

a. jumping of electrons from low energy to high level energy

b. jumping of electrons from high energy to low level energy

c. Revolution of electrons in specified orbits

d. None of these

13. In general, when the temperature of a metal is raised, its conductance

a) increases b) decreases c) remains the same d) first decreases then increases

14. Which falls down fastest in vacuum, a feather, a wooden ballor a steel ball?

a) wooden ball b) feather c) steel ball d) all will fall down at the same speed

15. Reed instrument without pipe is

PHYSICS

1. Nuclear sizes are expressed in a unit named

a. Fermi b. angstrom c. Newton d. tesla

2. What is the SI unit of the Planck’s constant?

a. watt second b. watt per second c. joule second d. joule per second

3. If the kinetic energy of a body is decreased by 36%, the percentage decrease in the linear momentum will be

a. 12% b. 20% c. 28% d. 36%

4. Choose the scalar quantity from the following

a. energy b. torque c. momentum d. force

TNPSC GROUP I – 2010

1. The Avogadro number is

a. 6.00 x 10^24
b. 6.023 x 10^23
c. 6.054 x 10^22
d. 6.504 x 10^22


2. Viscous force is directly proportional to
a. temperature gradient b. mass gradient c. velocity gradient d. charge gradient


3. The South American country that suffered due to earthquake in 2010 was
a. Argentina b. Chile c. Brazil d. Libya


4. According to the Economic Survey of India (2007-08), the birth rate in Tamil Nadu state
is
a. 16.2 b. 18.4 c. 15.3 d. 10.6