Physics (General Science) : All SSC Exams Previous Years Questions Papers Solved Part 14

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Q.1:- The colours of stars depend on their ?

  1. Temperature
  2. Distance
  3. Radius
  4. Atmospheric Pressure

Q.2:- Tesla is a unit of magnetic ?

  1. Flux
  2. Induction
  3. Moment
  4. Field

Q.3:- Which one among the following doesn’t have any effect on velocity of sound ?

  1. Pressure
  2. Temperature
  3. Humidity
  4. Density

Q.4:- In a conductor ?

  1. There is no conduction band
  2. The forbidden energy gap is very wide
  3. The forbidden energy gap is very narrow
  4. The valence band and the conduction band overlap each other

Q.5:- If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by ?

  1. 2 times
  2. 4 times
  3. 8 times
  4. 16 times

Q.6:- Which of the following was the first theory of super conductivity ?

  1. Ginzburg Landau Theory
  2. London Theory
  3. Resonating valence bond theory
  4. Quantum field theory

Q.7:- Distant objects are visible as a little out of focus in this condition ?

  1. Presbiopia
  2. Hypermetropia
  3. Astigmatism
  4. Myopia

Q.8:- Which of the following are methods of heat transfer ?

  1. Convection
  2. Evaporation
  3. Revolution
  4. Thermal Expansion

Q.9:- The SI unit of luminous emittance is ?

  1. Lux
  2. Candela
  3. Lumen
  4. Lumen Second

Q.10:- The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as ?

  1. Avogadro’s law
  2. Rault’s law
  3. Ohms law
  4. Faraday’s law

Q.11:- On a cold day when the room temperature is 15 Deg C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15 Deg C, because ?

  1. Metals have higher thermal capacity than plastics
  2. Plastics have a lower density than metals
  3. Metals are good conductors of heat
  4. Plastics have a higher thermal conductivity than metals

Q.12:- The quality or tone of a musical sound produced by a stringed instrument depends on ?

  1. Frequency of vibration
  2. Length of the strings in the instrument
  3. Amplitude of vibration
  4. Wave form of the sound
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Q.13:- In which form is the supplied heat energy stored during change in temperature of substance ?

  1. Heat Energy
  2. Kinetic Energy
  3. Potential Energy
  4. Both Kinetic and Potential Energy

Q.14:- Electromagnet is constructed with which of the following ?

  1. Steel
  2. Soft Iron
  3. Aluminium
  4. Nickel

Q.15:- Fuse wire is made of an alloy of ?

  1. Tin and Lead
  2. Tin and Copper
  3. Lead and Copper
  4. Copper and Silver

Q.16:- Copper wires are generally used for electrical power transmission instead of Iron wire because ?

  1. Copper is cheaper than Iron
  2. Copper is lighter than Iron
  3. Copper is a better conductor of electricity than Iron
  4. Copper can take higher power than Iron

Q.17:- When we see an object, the image formed on the retina is ?

  1. Real and inverted
  2. Real and erect
  3. Virtual and erect
  4. Virtual and inverted

Q.18:- Flemings “Left Hand Rule” is associated with the effect of ?

  1. Electric Field on current
  2. Magnetic field on magnet
  3. Electric field on magnet
  4. Magnetic field on current

Q.19:- Sending a frame to a group of stations is known as ?

  1. Single casting
  2. Spreading
  3. Multicasting
  4. Casting

Q.20:- Hydraulic brakes in automobile work on ?

  1. Poiseuille’s principle
  2. Pascal’s principle
  3. Archimedes’ principle
  4. Bernoulli’s principle

Q.21:- Which of the following is optical illusion ?

  1. Rainbow
  2. Earthshine
  3. Halo
  4. Mirage

Q.22:- The sparkling of a diamond is due to ?

  1. Total internal reflection of light
  2. Interference of light
  3. Polarisation of light
  4. Refraction of light

Q.23:- Rainbow is seen after rain because of hanging molecules of water which act as ?

  1. Lenses
  2. Mirrors
  3. Prisms
  4. Slabs

Q.24:- A device which is used to limit the current in an electrical circuit is called a ?

  1. Grid
  2. Fuse
  3. Hub
  4. Conductor

Q.25:- The best material for the core of a transformer is ?

  1. Stainless steel
  2. Mild steel
  3. Hard steel
  4. Soft iron
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