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Monday, April 04, 2016

30 Days for SSC CGL 2016 - GK Quiz - 2 - Physics



Hello and welcome to ExamPundit. Here is the second set of Physics GK Quiz for SSC CGL 2016. This falls under the 30 Days for SSC CGL 2016 Series.




Rules:


Post answers according to the following format(s)
1-2
2-3
3-4
Or
12345
54213

In case the options are ABCD, use the Appropriate Options.

Post Your Answers in the FOLLOWING LINK:


Or Fill the form in the bottom.




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At least 14 Attempts for Scores.

Exampundit.in reserves the right to choose winner or give scores.






1. A particle is moving in a circular path of radius r. The displacement after half a circle would be:
a) 0   
b) πr      
c) 2r   
d) 2πr



2. A cylinder made of which alloy is used define kilogram in SI system?
a) Gold-copper
b) Copper-nickel
c) Iridium-nickel
d) Platinum-iridium



3. When a rubber balloon held between the hands is pressed, its shape changes. This happens because:
a) Balanced forces act on balloon
b) Unbalanced forces act on the balloon
c) Gravitational forces act on the balloon
d) Frictional forces act on the balloon


4. Which of the following is false:
a) Momentum of a body at rest is zero
b) Every moving body possesses momentum
c) Momentum is a scalar quantity
d) All of the above



5. The energy in the pendulum bob at the centre position is:
a) Potential energy
b) Kinetic energy
c) Potential+kinetic
d) none



6. Which of the following occurs in thermal power house
a) chemical energyheat energy kinetic energyelectrical energy
b) chemical energypotential energy heat energy
c) potential energyelectrical energy
d) potential energykinetic energyheat energy


7. 1 horsepower=___watts
a) 74600
b) 746
c) 7. 46
d) 7460


8. Work done in case of earth moving around the sun is
a) 0
b) Infinite
c) Can’t be predicted
d) None follows


9. Lactometers are based on the principle of:
a) Archemede’s principle
b) Surface tension
c) Superconductivity
d) Cappilarity


10. An object is thrown vertically upwards with a velocity u, the greatest height h to which it will rise before falling back is
a) u/g
b) u2/2g
c) u2/g
d) u/2g


11. Which is true:
a) mass can never be zero
b) weight can never be zero
c) weight of a body  is constant
d) mass of a body is not constant


12. When a body is thrown vertically upwards, its final velocity
a) becomes 0
b) increases to infinity
c) remains same as initial velocity
d) none


13. How does the value of g varies?
a) Max at poles and min at equator
b) Min at poles and maximum at equator
c) Remains constant
d) Can’t be predicted


14. Universal law of gravitation states that:
a) Force between two bodies is inversely proportional to square of distance between them
b) Force between 2 bodies is directly proportional to square of distance between them
c) Force between two bodies is inversely proportional to product of their masses
d) The force between two bodies does not depends on anything else except the weight of the bodies


15. The unit of measuring momentum of a moving body is
a) Ms-1
b) Kg m s -1
c) Kg m s -2
d) Nm2 kg-2


16. According to third law of motion, action and reaction
a) Always act on the same body but in opposite direction
b) Always act on different bodies in opposite directions
c) Have same magnitude and direction
d) Act on either body at normal to each other


17. The inertia of a moving body depends upon___ of the body
a) Momentum
b) Speed
c) Mass
d) Shape



18. The slope of a speed time graph gives:
a) Distance travelled
b) Velocity
c) Acceleration
d) Displacement


19.  The electric force between two protons is _______  times the gravitational force between them, for any fixed distance
a) 1036
b) 1024
c) 1016
d) 107


20.  A vernier callipers has the least count as ______
a) 0. 01cm
b) 0. 001cm
c) 0. 0001cm
d) 1cm









Warning: Post your answers in the Link given. DO NOT POST YOUR ANSWERS IN THE COMMENT BOX. YOUR COMMENT WILL BE DELETED IF IT HAS ANSWERS!



Candidates and their Ranks:

  1. Ami Sourav - 18/18
  2. Taurus - 16/16
  3. Bahubali - 14/17
  4. R7 - 13/20
  5. OP - 12/19
  6. I m in the battle field - 7/13
  7. isagarchauhan - 8/20




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