Physics Mcqs

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Physics Mcqs

Physics Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.

 

1. The working principle of a washing machine is
(a) Centrifugation
(b) Dialysis
(c) Reverse osmosis
(d) Diffusion

 

2. Reserves of radioactive element which has been found in D.G. Khan area of Pakistan is
(a) Uranium
(b) Thorium
(c) Radium
(d) Plutonium

 

3. Who gave the theory which was based on the idea that all matter is made up of four basic substances: earth, water, air, and fire.
(a) Aristotle
(b) Archimedes
(c) Pascal
(d) Newton

 

4. What did J.J. Thomson use in order to measure the mass of the atom and its electric charge in 1897
(a) Alpha particles.
(b) Neutrons
(c) Cathode ray tube
(d) None of these

 

5. Which type of storage system uses mechanical energy to store energy
(a) Superconducting
(b) Pumped Hydroelectric
(c) Capacitors
(d) Flywheel


6. What is the source of electric energy in an artificial satellite
(a) Nuclear reactor
(b) A dynamo
(c) A Thermopylae
(d) Solar cells

 

7. Which gas is commonly used in balloons and airships
(a) Hydrogen
(b) Helium
(c) Carbon
(d) Nitrogen

 

8. Non-conventional source of energy best suited for Pakistan is
(a) Solar energy
(b) Wind energy
(c) Tidal wave energy
(d) Nuclear energy

 

9. Which of the following is a vector quantity
(a) Force
(b) Temperature
(c) Energy
(d) Momentum

 

10. Heavy water is
(a) Sea water
(b) D2O
(c) H2O2
(d) None of these

 

11. At what point the Centigrade and the Fahrenheit temperatures are the same
(a) 10 degree
(b) 0 degree
(c) -10 degree
(d) -40 degreeĀ 

 

12. Speed of sound is maximum in
(a) Gas
(b) Liquid
(c) Same in all
(d) Solid

 

13. Which of the following light waves is outside the visible spectrum
(a) Violet
(b) Blue
(c) Yellow
(d) Ultraviolet

 

14. Which of the following is used in semiconductors
(a) Aluminium
(b) Copper
(c) Silicon
(d) None of these

 

15. A falling drop of rain water acquires the spherical shape due to
(a) Surface Tension
(b) Gravitational force
(c) Atmospheric pressure
(d) Viscosity

 

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