Physics (General Science) : All SSC Exams Previous Years Questions Papers Solved Part 6

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Q.1:- The atmospheric layer reflecting radio waves is called ?

  1. Ozonosphere
  2. Ionosphere
  3. Stratosphere
  4. Mesosphere

Q.2:- A fountain pen works on the principle of ?

  1. Flow of liquids from higher to lower potential
  2. Capillary action
  3. Bernoulli’s Principle
  4. Viscosity of liquids

Q.3:- Which one of the following animals can hear Ultrasonic Sound ?

  1. Rat
  2. Squirrel
  3. Cat
  4. Bat

Q.4:- Lamberts law is related to ?

  1. Reflection
  2. Refraction
  3. Interference
  4. Illumination

Q.5:- A body absorbs heat most if it is ?

  1. Black and rough
  2. Black and smooth
  3. White and rough
  4. White and smooth

Q.6:- Decibel is a term connected with ?

  1. Air
  2. Water
  3. Sound
  4. Soil

Q.7:- Tear gas used by the police to disperse the mob contains ?

  1. Carbon Dioxide
  2. Chlorine
  3. Ammonia
  4. Hydrogen Sulphide

Q.8:- Why do birds not have respiratory trouble at the time of flying at high altitude ?

  1. Their lungs are very large
  2. They fly inactively
  3. They have extra air sacs
  4. They use less Oxygen

Q.9:- Which type of mirror is used in the head lights of vehicles ?

  1. Plane mirror
  2. Concave mirror
  3. Convex mirror
  4. Parabolic mirror

Q.10:- Convex mirrors are used as a rear view mirror in motor cycles because ?

  1. It forms real image
  2. It forms erect (upright) image
  3. It forms smaller image as compared with object
  4. All of the above

Q.11:- Water drops cannot stick to the oily surface due to ?

  1. Lack of adhesive force
  2. Surface tension
  3. Cannot mix each other
  4. Water is lighter than oil

Q.12:- Which electromagnetic radiation is used for satellite communication ?

  1. Ultraviolet
  2. Infrared
  3. Microwave
  4. Millimeter Wave

Q.13:- For which of the following substances, the resistance decreases with increase in temperature ?

  1. Pure Silicon
  2. Copper
  3. Nichrome
  4. Platinum

Q.14:- A liquid disturbed by stirring comes to rest due to ?

  1. Density
  2. Surface Tension
  3. Viscosity
  4. Centripetal Force

Q.15:- Steel is more elastic than rubber because it ?

  1. Requires larger deforming force
  2. Is never deformed
  3. Is deformed very easily
  4. Is harder than rubber
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Q.16:- Outside of cooking utensils are generally left black from below because ?

  1. It is difficult to clean daily
  2. Black surface is a good conductor of heat
  3. Black surface is a poor conductor of heat
  4. Black surface is a good absorber of heat

Q.17:- Instrument used to study the behaviour of a vibrating string is ?

  1. Barometer
  2. Hydrometer
  3. Hygrometer
  4. Sonometer

Q.18:- Ohm’s law is valid in case of ?

  1. Semiconductor
  2. Conductor
  3. Superconductor
  4. Insulator

Q.19:- Magnetic keepers are used to protect magnets from ?

  1. Earth’s magnetic field
  2. Effect of other magnets
  3. Self-demagnetization
  4. Demagnetization due to heating

Q.20:- Super conductors are substances that ?

  1. Offer minimum resistance to flow of electric current
  2. Conduct electricity at low temperature
  3. Conduct electricity at high temperature
  4. Offer high resistance to the flow of electric current

Q.21:- Which of the following is the second largest source of global energy ?

  1. Fossil fuel
  2. Nuclear Energy
  3. Renewable Energy
  4. None of these

Q.22:- In which region of electromagnetic spectrum does the Lyman series of Hydrogen atom lie ?

  1. Visible
  2. Infrared
  3. Ultraviolet
  4. X-Rays

Q.23:- When a ship enters the sea from a river what will be the effect ?

  1. It lowers
  2. It sways
  3. It rises a little
  4. It jolts

Q.24:- Which of the following is indicated by the colour of a star ?

  1. Weight
  2. Distance
  3. Temperature
  4. Size

Q.25:- ‘Parsec’ is the unit of measurement of ?

  1. Density of stars
  2. Astronomical distance
  3. Brightness of heavenly bodies
  4. Orbital velocity of giant stars

 

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