SSC Previous year questions and answers: Physics


Que-1 Cryogenic Science is related to-

  1. High temperature
  2. Lower temperature
  3. Friction and wear-tear
  4. Increment in crystals

Que-2 What is magnifying lens –

  1. Convex lens with large focal length
  2. Concave lens with big focal length
  3. Convex lens with small focal length
  4. Convex lens with big focal length

Que-3 What is the working principle of optical fiber-

  1. Scattering of light
  2. Total internal absorption
  3. Total internal reflection
  4. Polar rotation

Que-4 Who measured the speed of light first   –

  1. Galileo
  2. Newton
  3. Romer
  4. Einstien

Que-5  From which rays, Ozone layer present in upper atmosphere prevent us-(appeared in 2005,2011& 2015)

  1. Visible radiation
  2. Infrared radiation
  3. Ultra violet
  4. Space radiation

Que-6  Which of the following lenses can be used to correct the defect of shortsightedness or myopia-

  1. Cylindrical lens
  2. Convex lens
  3. Concave lens
  4. Plane lens

Que-7   The plate of Blue glass appear blue in sunlight beacause-

  1. It absorbs the blue light
  2. It transmits the blue light
  3. It absorbs all the colours including blue
  4. Transmits all the colors including blue

Que-8   The optical instrument with the help of which distant objects can be seen with magnification and with both eyes-

  1. Telescope
  2. Microscope
  3. Binocular
  4. Sextent

Que-9   Wavelength of visible spectrum is –

  1. 1300 A*-3000 A degree
  2. 3900 A degree- 7600 A degree
  3. High temperature
  4. Lower temperature

Que-10  A sucking paper absorbs the ink spread on the paper beacause-

  1. Ink evaporate
  2. Ink contain viscous force
  3. Ink absorbs the pores present in sucking paper
  4. Accelerate due to gravity due to capillary action with pores ink is absorbed

Que-11  Lubricant oil is used in vehicle to-

  1. For combustion fuel
  2. To make flow streamline
  3. To increase the friction
  4. To decrease the friction

Que-12  Passengers are not to be allowed to stand on the upper deck of bus beacause –

  1. Volume of bus increase
  2. Weight of bus increase
  3. Balance of bus gets disturbed
  4. Passengers are in the inertia due to motion

Que-13   Mass energy relation is a conclusion of-

  1. Quantum theory
  2. Theory of relativity
  3. Special theory of relativity
  4. None of these

Que-14   a piece of stone is dropped from moving trains. It reaches to an observer standing on ground, what is path followed by stone-

  1. Rectilinear
  2. Circular
  3. Parabolic
  4. Hyperbolic

Que-15   Chemical energy is converted into electric energy-

  1. Dynamo
  2. Electric fan
  3. Battery
  4. Atom bomb

Que-16   For the filament of electric bulb tungusten is used beacause-

  1. It is a conductor
  2. It is cheaper
  3. It is malleable
  4. Its melting point is very high

Que-17   Intensity of magnetic field is –

  1. Mete/volt
  2. Meter/ampere
  3. Ampere/meter
  4. Volt/ ampere


1)      B

2)      C

3)      C

4)      C

5)      C

6)      C

7)      B

8)      A

9)      B

10)   D

11)   D

12)   D

13)   B

14)   C

15)   C

16)   D

17)   C




SSC Previous year questions and answers: Physics


Que-18   The temperature at which reading of both Fahrenheit scale and Celsius scale are same –

  1. 400
  2. -400
  3. -340
  4. -1440

Que-19   Which of the following can causes more burn-?

  1. Boiling water
  2. Hot water
  3. Steam
  4. None of these

Que-20   To measure very high temperature, we use-

  1. Mercury thermometer
  2. Platinum resistance thermometer
  3. Thermo electric pyrometer
  4. None of these

Que-21   Who invented the optical fiber-

  1. Samuel cohen
  2. Narinder kapany
  3. Percy I spencer
  4. H Maimah

Que-22   Which of the following purpose optical fiber is used-

  1. Weaving
  2. Musical instrument
  3. Eye surgery
  4. Communication

Que-23   The sky appears to an astronaut-

  1. White
  2. Blue
  3. Green
  4. Black

Que-24    In summers formations of mirage appears due to phenomenon of –

  1. Reflection of light
  2. Total internal reflection’
  3. Interference of light
  4. Diffraction of light

Que-25   Which of following optical phenomenon is responsible for brilliance of diamond –

  1. Maximum refraction
  2. Total internal reflection
  3. Total surface reflection
  4. 100% transmission

Que-26   Time taken by sun light to reach the earth –

  1. 5 minutes
  2. 8minutes
  3. 3 minutes
  4. 5 minutes

Que-27   color blindness defect can be corrected by using the lens-

  1. Concave lens
  2. Convex lens
  3. Cylindrical lens
  4. None of theseMete/volt

Que-28   What is zoom lens-

  1. A lens with a definite focal length
  2. A lens with a transitional focal length
  3. It is used in radio telescope
  4. None of these

Que-29   The twinkling of stars is due to-

  1. Scattering of light
  2. Total internal reflection
  3. Atmospheric reflection
  4. Atmospheric refraction

Que-30   Ultra violet radiations has more energy as compare to –

  1. Infra red radiation
  2. Gama radiation
  3. X-rays
  4. Space rays

Que-31   What is working principle of stethoscope-?

  1. Transformation of electric signal into sound
  2. Transformation of sound into electric signal
  3. Reflection of sound
  4. Reflection of light

Que-32   The cause of magnetism in materials is-

  1. Electrons at rest
  2. Protons at rest
  3. All stationary neutrons
  4. Circular motion of electrons

Que-33   Instrument used to measure the wind speed is-

  1. Altimeter
  2. Anemometer
  3. Cronometer
  4. Dogometer

Que-34   A fountain pen works on the principle of-

  1. Flow of liquid from high level to low level
  2. Capilarism
  3. Bernouli principle
  4. Viscocity

Que-36   Which of the following law, legalize that liquid can neither be created nor be destroyed-

  1. Law of conservation of energy
  2. Law of conservation of mass
  3. Law of diffusion
  4. Boyles law

Que-37    Law of gravitation is defined by-

  1. Newton
  2. Archimedes
  3. Galileo
  4. Faraday

Que-38   Which of the following rated electric bulb-

  1. Power and current
  2. Power and voltage
  3. Current and voltage
  4. Energy and current

Que-39   Device used to convert A.C into D.C. known as-

  1. Dynamo
  2. Inductive coil
  3. Generator
  4. Rectifier

Que-40   Metal used for the manufacturing of lighting conductor is-

  1. Iron
  2. Aluminum
  3. Copper
  4. Zinc

Que-41   Multimeter is used to measure the-

  1. Current
  2. Voltage
  3. Resistance
  4. All of these

Que-42   What will be the effect on the resistance of a semiconductor on increasing its temperature-

  1. Increase
  2. Decrease
  3. Unchanged
  4. Increase-decrease

Que-43   If a coil is rotated in a magnetic field, then current is induced in the coil. This phenomenon issued in-

  1. For making electro magnet
  2. For making electric motor
  3. For making electric generator
  4. For making electric watt meter

Que-44   Which of the following characteristics is to be adopted to use a metal in digestive ingredients –

  1. Low heat conductivity
  2. Low electric conductivity
  3. High specific heat
  4. High heat conductivity

Que-45   To produce the low temperature which of the following principle is used-

  1. Super conductivity
  2. Joule-Kelvin effect
  3. Heating effect of current
  4. Adiabatic demagnetization process

Que-46   Which of the following instrument is used to study the dispersion of light-

  1. Microscope
  2. Telescope
  3. Spectrometer
  4. Photometer

Que-47   Which gas is responsible for the depletion of ozone layer around the earth which protect us from harmful ultraviolet rays-

  1. Nitrogen
  2. Oxygen
  3. Nitrogen oxide
  4. Chlorofluro carbons

Que-48   The near point for long sightedness defected person is-

  1. More than 25cm
  2. More than 50cm
  3. Less than 25cm
  4. Infinite

Que-49   A second pendulum is a pendulum whose time period is-

  1. 1 sec
  2. 4 sec
  3. 3 sec
  4. 2 sec

Que-50   In which range of electromagnetic spectrum laymen series of hydrogen atom exist-

  1. Visible region
  2. Ultraviolet
  3. X-ray
  4. Infrared









































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