Download General Science Most Important Previous Year Questions MCQs For Lucknow University , DDU University , MGKVP University

General Science Important Previous Years Question MCQs Part 4

11.What is the difference of pressure between two sides of the liquid surface called as?
[A] Excess Pressure
[B] Surface Pressure
[C] Fluidic Tension
[D] Viscosity

12.What will be the apparent frequency when the both source of the sound and listener move in the same direction with same velocity?
[A] it will be more than the actual frequency
[B] it will be less than the actual frequency
[C] it will be equal to the actual frequency
[D] None

13.What is the triple point of water?
[A] Temperature = -273.16 K, pressure= 6.11×10-6Pa
[B] Temperature = -273.16 K, pressure= 6.11×10-3 Pa
[C] Temperature = 273.16 K, pressure= 6.11×10-6 Pa
[D] Temperature = 273.16 K, pressure= 6.11×10-3 Pa

14.Which of the following is a law of reflection?
[A] angle of incidence is equal to the angle of reflection
[B] angle of incidence is equal to twice the angle of reflection
[C] angle of incidence is equal to half of the angle of reflection
[D] angle of incidence is always complimentary to the angle of reflection

15.Which is the direction of magnetic field inside a magnet?
[A] from south pole to north pole
[B] from north pole to south pole
[C] from north pole till centre of the magnet
[D] None of the above

16.Which of the following is a suitable material for making a permanent magnet?
[A] alnico
[B] cobalt steel
[C] ticonal
[D] All of the above

17.What is the atomic number of Barium?
[A] 54
[B] 56
[C] 58
[D] 60

18.Which of the following is the correct order of the decreasing order of abundance of the elements in earth’s crust?
[A] Iron > Silicon > Oxygen >Aluminium
[B] Oxygen > Silicon > Aluminium > Iron
[C] Oxygen> Iron > Aluminium > Silicon
[D] Iron > Aluminium > Silicon > Oxygen

19.Which of the following represents the bond order in Molecular orbital theory?
[A] half the difference between the number of bonding and antibonding electrons
[B] twice the difference between the number of bonding and antibonding electrons
[C] the difference between the number of bonding and antibonding electrons
[D] the sum of the number of bonding and antibonding electrons

20.Which of the following metals is the major constituent of Pewter alloy?
[A] Tin
[B] Indium
[C] Titanium
[D] Lead