Physics (General Science) : All SSC Exams Previous Years Questions Papers Solved Part 10

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Q.1:- Hertz is a unit of measuring ?

  1. Intensity of waves
  2. Frequency of waves
  3. Wavelength
  4. Clarity of waves

Q.2:- Which of the following colour of light deviates least through the prism ?

  1. Yellow
  2. Green
  3. Violet
  4. Red

Q.3:- Which of the following phenomenon helps to conclude that light is a transverse wave ?

  1. Interference
  2. Diffraction
  3. Polarisation
  4. Refraction

Q.4:- When number of turns in a coil is tripled without any change in the length of coil, its self-inductance becomes ?

  1. Nine times
  2. Three times
  3. Six times
  4. One-Third

Q.5:- Which of the following options correctly explains the term heat budget ?

  1. It is a mode of transfer of heat through matter by molecular activity
  2. It is the balance between incoming and outgoing radiation
  3. It is the radiation from the Earth in the form of long waves
  4. It is the amount of heat which the surface of Earth receives from the sun

Q.6:- The Dynamo Converts ?

  1. Electrical Energy into Mechanical Energy
  2. Mechanical Energy into Magnetic Energy
  3. None of these
  4. Mechanical Energy into Electrical Energy

Q.7:- Which of the following property of sound is affected by change in air temperature ?

  1. Frequency
  2. Intensity
  3. Amplitude
  4. Wavelength

Q.8:- Plank’s constant has the dimensions of ?

  1. Energy
  2. Linear Momentum
  3. Angular Momentum
  4. Force

Q.9:- Which of the following is not a vector quantity ?

  1. Speed
  2. Velocity
  3. Torque
  4. Displacement

Q.10:- Which of the following have the same unit ?

  1. Work and power
  2. Torque and moment of inertia
  3. Work and torque
  4. Torque and angular momentum

Q.11:- A man in a train moving with a constant velocity drops a ball on the platform. The path of the ball as seen by an observer standing on the platform is ?

  1. A straight line
  2. A circle
  3. A parabola
  4. None of these
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Q.12:- Distances of stars are measured in ?

  1. Galactic Unit
  2. Stellar Mile
  3. Cosmic Kilometre
  4. Light Year

Q.13:- When milk is churned, the cream separates from it due to ?

  1. Frictional force
  2. Centrifugal force
  3. Gravitational force
  4. Viscous forces

Q.14:- The metal whose electrical conductivity is more, is ?

  1. Copper
  2. Aluminium
  3. Silver
  4. Lead

Q.15:- Water from soil enters into the root hairs owing to ?

  1. Atmospheric pressure
  2. Capillary pressure
  3. Root pressure
  4. Osmotic pressure

Q.16:- Solar energy is due to ?

  1. Fusion reactions
  2. Fission reactions
  3. Combustion reactions
  4. Chemical reactions

Q.17:- Which one of the following has the highest value of specific heat ?

  1. Glass
  2. Copper
  3. Lead
  4. Water

Q.18:- The important unit of a microprocessor is ?

  1. ALU
  2. Array of registers
  3. Control unit
  4. All of the above

Q.19:- These waves cannot be transmitted through vacuum ?

  1. Light
  2. Sound
  3. Heat
  4. Electromagnetic

Q.20:- The device used for locating submerged objects under sea is ?

  1. Sonar
  2. Radar
  3. Laser
  4. Maser

Q.21:- Which of the following is not a part of a CRT ?

  1. Phosphor Screen
  2. Shadow Mask
  3. Electron Gun
  4. Gas Plasma

Q.22:- The following particles move with same kinetic energy. Which of them has maximum momentum ?

  1. Electron
  2. Proton
  3. Deutron
  4. Alpha Particle

Q.23:- The part of the eye having the largest refractive index is ?

  1. Cornea
  2. Aqueous humor
  3. Lens
  4. Vitreous humor

Q.24:- In nuclear reactor, heavy water is used as ?

  1. Coolant
  2. Fuel
  3. Moderator
  4. Atomic Smasher

Q.25:- Conversion of sound energy into electrical energy is done by ?

  1. Solar Cell
  2. Gramophone
  3. Microphone
  4. Loudspeaker

 

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