Physics Questions for SSC CGL Exam

Dear  Readers,

We are providing the alternate quizzes on Chemistry/Biology/Physics. From this section you will get at least 7-8 questions in SSC CGL Exam. So from this quiz one can prepare general science section on daily basis.

Q1. If the distance between two charges is halved, then the force between them becomes 
(a) Half 
(b) Double 
(c) Four times 
(d) One-fourth

Q2. Pick out the scalar quantity—
(a) Velocity
(b) Angular momentum 
(c) Speed
(d) Torque 

Q3. Railway tracks are banked on curves so that—
(a) Necessary centrifugal force may be obtained from the horizontal component of the weight of the train 
(b) Frictional force can be avoided between the tracks and wheels 
(c) Necessary centripetal force may be obtained from the horizontal component of the weight of the train 
(d) The train may not fly off in the opposite direction 

Q4. Conservation of energy means that— 
(a) Energy can be created as well as destroyed 
(b) Energy can be created but not destroyed 
(c) Energy cannot be created but can be destroyed 
(d) Energy can neither be created nor destroyed 

Q5. With increase of temperature, the frictional force acting between two surfaces— 
(a) Increase 
(b) Remain the same 
(c) Decreases 
(d) Becomes zero 

Q6. Gravitational constant (G) is an example of 
(a) Non-dimensional constant 
(b) Dimensional constant 
(c) Numeric constant 
(d) Quantity without dimensions 

Q7. A hydrogen filled balloon rises in air because—  
(a) The atmospheric pressure decreases with altitude 
(b) The acceleration due to gravity decreases with altitude 
(c) The density of air decreases with altitude 
(d) The buoyant force exerted by the air on the balloon is greater than the weight of the balloon 

Q8. A small weight put on the pressure cooker increases the pressure of the steam because  
(a) It is air tight 
(b) The area of contact is very small 
(c) The density of metal is very high 
(d) The pressure builds up irrespective of the weight placed 

Q9. A sprayer works on the principle expounded by— 
(a) Newton 
(b) Archimedes 
(c) Boyle 
(d) Pascal 

Q10. The ink of pen leaks out in an airplane because—
(a) Atmospheric pressure increases 
(b) Pressure of ink inside is more than the ambient pressure 
(c) High speed of the aeroplane 
(d) Temperature difference 

Q11. Water has maximum density at which temperature?
(a) Room temperature 
(b) 0°C
(c) 4°C
(d) 100°C 

Q12. A solid needle placed horizontally on the surface of the water floats due to—
(a) Surface tension 
(b) Capillary action 
(c) Cohesion 
(d) Adhesion 

Q13. The absorption of ink by blotting paper involves—
(a) Viscosity of ink 
(b) Capillary action phenomenon 
(c) Diffusion of ink through the blotting 
(d) Siphon action 

Q14. Which element used in an electric filament?
(a) Copper 
(b) Aluminium 
(c) Iron 
(d) Tungsten 

Q15. A piece of ice is floating in a beaker containing water. When whole of the ice melts 
(a) the level of water will come down. 
(b) the level of water will come up. 
(c) the level of water will first rise and then fall. 
(d) the level of water will remain the same.

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