General Awareness Physics – SSC CGL Tier 1 previous year questions

Here is the compilation of all previous year question of General Awareness Physics – with answers.

SSC CGL 2019 Questions

Ques 1) Who founded and named the science of electromagnetism?

Options

  1. Michael Faraday
  2. James Clerk
  3. HChristian Oersted
  4. Andre Marie Ampère

Correct Answer : Andre Marie Ampère

Ques 2) TV remote controls work on the principle of __.

  1. Bluetooth technology
  2. Infrared waves
  3. Ultrasonic waves
  4. Laser technology

Correct Answer : Infrared waves

Ques 3) Which of the following destroys the ozone layer?

  1. Carbon
  2. Chlorine
  3. Silicon
  4. Sulphur

Correct Answer : Chlorine

SSC CGL 2017Questions

Question:1)What is the other name of Galileo’s law of falling bodies?[08-AUG-2017 Shift-1]

Options:
1) Law of motion
2) Newton’s first law
3) Newton’s second law
4) Newton’s third law

Correct Answer: Newton’s first law

Question:2)Which of the following device is best suited for measuring the temperature inside metallurgical furnaces?[08-AUG-2017 Shift-1]

Options:
1) Pyrometer
2) Thermocouple
3) Thermometer
4) Thermistor

Correct Answer: Pyrometer

Question:3)Gravitational force is maximum at which of the following place?[08-AUG-2017 Shift-2]

Options:
1) At equator
2) At tropic of cancer
3) At tropic of Capricorn
4) At poles

Correct Answer: At poles

Question:4)Which of the following device is used to measure humidity?[08-AUG-2017 Shift-2]

Options:
1) Hydrometer
2) Hygrometer
3) Psycho Meter
4) Anemometer

Correct Answer: Hygrometer

Question:5)Which of the following is not a vector quantity?[08-AUG-2017 Shift-2]

Options:
1) Momentum
2) Displacement
3) Torque
4) Speed

Correct Answer: Speed

Question:6)Which of the following metal (shown by its symbol) is generally used for making filaments of bulb?[08-AUG-2017 Shift-2]

Options:
1) Fe
2) An
3) Ag
4) W

Correct Answer: W

Question:7)Which of the following is not a vector quantity?[08-AUG-2017 Shift-3]

Options:
1) Acceleration
2) Electric current
3) Force
4) Velocity

Correct Answer: Electric current

Question:8)The bending of light when it passes around a corner or a slit is due to ______.[09-AUG-2017 Shift-1]

Options:
1) reflection
2) refraction
3) diffraction
4) total internal reflection

Correct Answer: diffraction

Question:9)What is the reason for formation of Mirage in desert?[09-AUG-2017 Shift-1]

Options:
1) Refraction of light
2) Reflection of light
3) Total internal reflection of light
4) Both Refraction and Total internal reflection of light

Correct Answer: Both Refraction and Total internal reflection of light

Question:10) It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? [09-AUG-2017 Shift-2]

Options:
1) Law of inertia
2) Newton’s second law
3) Newton’s third law
4) Pascal’s law

Correct Answer: Newton’s third law

Question:11)Which one of the following is not a property of electromagnetic waves?[09-AUG-2017 Shift-2]

Options:
1) Electromagnetic waves do not show interference and diffraction.
2) Oscillating electric field and magnetic field are perpendicular to each other.
3) Electromagnetic waves are transverse waves
4) Electromagnetic waves do not require a medium to propagate.

Correct Answer: Electromagnetic waves do not show interference and diffraction

Question:12)Convex mirror is generally used in _____. [09-AUG-2017 Shift-3]

Options:
1) solar cookers
2) opthalmoscope
3) reflector for head light
4) rear view mirror

Correct Answer: rear view mirror

Question:13)What is the SI unit of frequency?[09-AUG-2017 Shift-3]

Options:
1) Newton
2) Watt
3) Farad
4) Hertz

Correct Answer: Hertz

Question:14)Speed of light is maximum in _____. [10-AUG-2017 Shift-1]

Options:
1) vacuum
2) solids
3) liquids
4) gases

Correct Answer: vacuum

Question:15) What is the SI unit of electric current?[10-AUG-2017 Shift-1]

Options:
1) Newton
2) Joule
3) Ampere
4) Watt

Correct Answer: Ampere

Question:16) If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used?[10-AUG-2017 Shift-2]

Options:
1) Concave
2) Convex
3) Cylindrical
4) Plane

Correct Answer: Concave

Question:17)Soap bubble attains spherical shape due to ______.[10-AUG-2017 Shift-2]

Options:
1) inertia
2) pressure
3) surface tension
4) Viscosity

Correct Answer: surface tension

Question:18)Why does water tank appear shallower when viewed from the top?[10-AUG-2017 Shift-3]

Options:
1) Due to reflection
2) Due to refraction
3) Due to diffraction
4) Due to total internal reflection

Correct Answer: Due to refraction

Question:19)Which colour is formed when Red and Green are mixed?[10-AUG-2017 Shift-3]

Options:
1) Light blue
2) Yellow
3) White
4) Grey

Correct Answer: Yellow

Question:20)At which of the following place, weight of an object is maximum? [11-AUG-2017 Shift-1]

Options:
1) At poles
2) At equator
3) At tropic of Capricorn
4) At tropic of cancer

Correct Answer: At poles

Question:21) What is the SI unit of temperature?[11-AUG-2017 Shift-1]

Options:
1) Kelvin
2) Joule
3) Celsius
4) Fahrenheit

Correct Answer: Kelvin

Question:22)Electric Motor converts _____ energy to mechanical energy [11-AUG-2017 Shift-2]

Options:
1) sound
2) mechanical
3) chemical
4) electrical

Correct Answer: electrical

Question:23)– Optical fibre works on which of the following principle of light?[11-AUG-2017 Shift-2]

Options:
1) Reflection
2) Refraction
3) Diffraction
4) Total internal reflection

Correct Answer: Total internal reflection

Question:24)Which among the following determines the pitch of a sound?[11-AUG-2017 Shift-3]

Options:
1) Amplitude
2) Frequency
3) Loudness
4) Wavelength

Correct Answer: Frequency

Question:25)Which phenomena shows the particle nature of light?[11-AUG-2017 Shift-3]

Options:
1) Diffraction
2) Interference
3) Photoelectric effect
4) Polarisation

Correct Answer: Photoelectric effect

Question:26)What is the SI unit of intensity of sound?[12-AUG-2017 Shift-1]

Options:
1) Decible
2) Newton
3) Heartz
4) Tesla

Correct Answer: Decible

Question:27)When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion?[12-AUG-2017 Shift-2]

Options:
1) Energy
2) Displacement
3) Velocity
4) Acceleration

Correct Answer: Energy

Question:28)What is the SI unit of heat energy?[12-AUG-2017 Shift-2]

Options:
1) Joule
2) Newton
3) Calorie
4) Kelvin

Correct Answer: Joule

Question:29) For which of the following game, players must have the knowledge of Pascal’s law?[12-AUG-2017 Shift-3]

Options:
1) Climbing
2) Paragliding
3) Rafting
4) Scuba diving

Correct Answer: Scuba diving

Question:30)What is the value of the Least Distance of Distinct vision (in cm) for a normal human being?[12-AUG-2017 Shift-3]

Options:
1) 2.5
2) 25
3) 58
4) 60 

Correct Answer: 25 

Question:31)On which principle does the hydraulic lift works?[16-AUG-2017 Shift-1]

Options:
1) Newton’s law
2) Pascal’s law
3) Archimedes’s law
4) Joule’s law

Correct Answer: Pascal’s law

Question:32)At what temperature (in degree celsius), the numerical values on Celsius and Fahrenheit scales become equal?[16-AUG-2017 Shift-1]

Options:
1) –40
2) 40
3) 273
4) –273

Correct Answer: –40

Question:33)– What is the SI unit of Power?[16-AUG-2017 Shift-2]

Options:
1) Boyle
2) Watt
3) Newton
4) Pascal

Correct Answer: Watt

Question:34)Which of the following pair is INCORRECT?[16-AUG-2017 Shift-2]

I. Parsec – Distance

II. Barrel – Liquid

III. Light year – Time

Options:
1) Only III
2) Only I and III
3) Only II
4) All are correct

Correct Answer: Only III

Question:35)When light passes from one medium to another, this phenomenon of change in its direction is called _____.[16-AUG-2017 Shift-3]

Options:
1) Refraction
2) Diffraction
3) Propagation
4) No option is correct

Correct Answer: Refraction

Question:36)Which among the following is not an input device?[16-AUG-2017 Shift-3]

Options:
1) Plotter
2) Magnetic Ink Character Recognition (MICR)
3) Optical Mark Recognition (OMR)
4) Barcode Reader

Correct Answer: Plotter

Question:37)The vocal cords in men are about _______ long.[17-AUG-2017 Shift-1]

Options:
1) 10mm
2) 20mm
3) 30mm
4) 40mm

Correct Answer: 20mm

Question:38)f the orbit of a planet is an ellipse then what is the point at which the Sun is located called?[17-AUG-2017 Shift-2]

Options:
1) Centre
2) Circumcentre
3) Incentre
4) Focus

Correct Answer: Focus

Question:39)The sliding friction is _______________ than the static friction.[17-AUG-2017 Shift-2]

Options:
1) double
2) same
3) greater
4) smaller

Correct Answer: smaller

Question:40) In science a push or pull of an object is called ________.[17-AUG-2017 Shift-3]

Options:
1) Pick
2) Lift
3) Force
4) Shut

Correct Answer: Force

Question:41)The attribute ___________ specifies (in pixels) the distance between two adjacent cells.[17-AUG-2017 Shift-3]

Options:
1) Width
2) Height
3) Cellpadding
4) Cellspacing

Correct Answer: Cellspacing

Question:42)In a qualitative way, the tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called _________.[18-AUG-2017 Shift-1]

Options:
1) force
2) acceleration
3) friction
4) inertia

Correct Answer: inertia

Question:43)The time taken by a pendulum to complete one oscillation is called its?[18-AUG-2017 Shift-1]

Options:
1) Maximum speed
2) Average speed
3) Time period
4) Time interval

Correct Answer: Time period

Question:44) If the speed of an object moving along a straight line is constant, its motion is said to be _________. [18-AUG-2017 Shift-2]

Options:
1) Uniform
2) Periodic
3) Circular
4) Non-uniform

Correct Answer:

Question:45)The strength of a force is usually expressed by its __________.[18-AUG-2017 Shift-2]

Options:
1) Motion
2) Direction
3) Interaction
4) Magnitude

Correct Answer: Magnitude

Question:46)If the mass of an object is 60 kgs, what will be its weight on the moon? (N=Newton)[18-AUG-2017 Shift-3]

Options:
1) 60N
2) 600N
3) 100N
4) 10N

Correct Answer: 100N

Question:47)The side mirrors of vehicles are of which type of mirrors?[18-AUG-2017 Shift-3]

Options:
1) Convex
2) Concave
3) Plane
4) Inverted

Correct Answer: Convex

Question:48) If the force applied on the object is in the direction opposite to the direction of motion, the speed of the object __________. [19-AUG-2017 Shift-3]

Options:
1) increases
2) stops
3) decreases
4) no effect

Correct Answer: decreases

Question:49)The SI unit of acceleration is _______________. [19-AUG-2017 Shift-3]

Options:
1) meters per seconds squared
2) meters per second
3) seconds per meter
4) seconds per meter squared

Correct Answer: meters per seconds squared

Question:50)Contact force is another name for _________.[20-AUG-2017 Shift-1]

Options:
1) Friction
2) Magnetic force
3) Electrostatic force
4) Muscular force

Correct Answer: Muscular force

Question:51)The force of friction between two surfaces will increase if:[20-AUG-2017 Shift-1]

Options:
1) a layer of lubricant is kept between the two surfaces
2) the two surfaces are pressed harder
3) air gap is created between the two surfaces
4) irregularities on both the surfaces are removed

Correct Answer: the two surfaces are pressed harder

Question:52)An image formed by a plane mirror, that cannot be obtained on a screen is called _______. [20-AUG-2017 Shift-2]

Options:
1) Virtual image
2) Real image
3) Inverted image
4) Erect image

Correct Answer: Virtual image

Question:53)The force exerted by a magnet is an example of _________.[20-AUG-2017 Shift-2]

Options:
1) Non-contact force
2) Muscular force
3) Contact force
4) Electrostatic force

Correct Answer: Non-contact force   

Question:54)According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ____ of an object. [20-AUG-2017 Shift-3]

Options:
1) density
2) volume
3) force
4) mass

Correct Answer: mass

Question:55)The coil wire in the electric room heater or electric cooking heater is called __________.[20-AUG-2017 Shift-3]

Options:
1) Circuit
2) Element
3) Filament
4) Cells

Correct Answer: Element

Question:56)Energy in the form of heat is wasted when a machine is operated. This heat is generated due to ___________.[21-AUG-2017 Shift-1]

Options:
1) burning
2) friction
3) combustion
4) lubrication

Correct Answer: friction

Question:57)The incident ray, the _________ at the point of incidence and the reflected ray all lie in the same plane. [21-AUG-2017 Shift-1]

Options:
1) surface
2) tangent
3) normal
4) angle of reflection

Correct Answer: normal

Question:58) During uniform motion of an object along a straight line, the ________ remains constant with time.[21-AUG-2017 Shift-2]

Options:
1) Time
2) Velocity
3) Acceleration
4) Distance

Correct Answer: Velocity

Question:59)The impression of an image persists on the retina for about _________ of a second.[21-AUG-2017 Shift-2]

Options:
1) 1/10th
2) 1/8th
3) 1/16th
4) 1/5th

Correct Answer: 1/16th

Question:60)An image formed by a concave mirror on a screen is called __________? [21-AUG-2017 Shift-3]

Options:
1) Virtual image
2) Real image
3) Inverted image
4) Erect image

Correct Answer: Real image

Question:61)The distance-time graph for the motion of an object moving with a constant speed is a __________. [21-AUG-2017 Shift-3]

Options:
1) Dot
2) Circle
3) Straight Line
4) Curve

Correct Answer: Straight Line

Question:62)Where do the electrical charges reside in a charged conductor?[27 August 2016- Evening Shift]

Options:
1) at the core
2) throughout the body
3) depended upon the nature of the body
4) outer surface of the body

Correct Answer: outer surface of the body

Question:63)The colour of the ocean appears to be blue because the sunlight falling on it is [27 August 2016- Evening Shift]

Options:
1) reflected
2) refracted
3) diffracted
4) scattered

Correct Answer: scattered

Question:64)Which one of the following is an insulator?[27 August 2016- Morning Shift]

Options:
1) Copper
2) Wood
3) Mercury
4) Aluminium

Correct Answer: Wood

Question:65)Bubbles of air rise up through liquids due to: [27 August 2016- Morning Shift]

Options:
1) Surface tension and adherence
2) viscosity and buoyancy.
3) air current over the liquid and buoyancy
4) Up thrust and surface tension.

Correct Answer: viscosity and buoyancy.

Question:66)Where do the electrical charges reside in a charged conductor?[28 August 2016- Morning Shift]

Options:
1) at the core
2) throughout the body
3) depended upon the nature of the body
4) outer surface of the body

Correct Answer: outer surface of the body

Question:67).The colour of the ocean appears to be blue because the sunlight falling on it is [28 August 2016- Morning Shift]

Options:
1) reflected
2) refracted
3) diffracted
4) scattered

Correct Answer: scattered

Question:68)What is the name of the device used to convert alternating current into direct current?[28 August 2016- Evening Shift]

Options:
1) Ammeter
2) Galvanometer
3) Rectifier
4) Transformer

Correct Answer: Rectifier

Question:69)Why does ice covered in sawdust not melt quickly?[28 August 2016- Evening Shift]

Options:
1) Sawdust does not allow the air to touch the ice
2) The water is absorbed by sawdust
3) Sawdust is a bad conductor of heat
4) Sawdust is good conductor of heat

Correct Answer: Sawdust is a bad conductor of heat

Question:70)Stars twinkle but planets do not twinkle because [29 August 2016- Morning Shift]

Options:
1) they emit light of a constant intensity
2) their distance from the earth does not change with time
3) they are very far away from the earth resulting in decrease in intensity of light
4) they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

Correct Answer: they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

Question:71)Which of the following is not true about X-rays?[29 August 2016- Morning Shift]

Options:
1) have low penetrating power
2) travel with the speed of light
3) Can be reflected or refracted
4) can affect photographic plates

Correct Answer: have low penetrating power

Question:72)Purpose of an optical filter is to : ________ [30 August 2016- Afternoon Shift]

Options:
1) reflect lights of different colours
2) dispense light into component colours
3) refract light of different colours
4) transmit or absorb light of different colours

Correct Answer: transmit or absorb light of different colours

Question:73)Energy travels from Sun to Earth through [31 August 2016- Morning Shift]

Options:
1) conduction
2) convection
3) radiation
4) modulation

Correct Answer: radiation

Question:74)Which one among the following components is used as an amplifying device?[01 September 2016- Morning Shift]

Options:
1) Transformer
2) Diode
3) Capacitor
4) Transistor

Correct Answer: Transistor

Question:75)The unit of measurement of noise is [01 September 2016- Morning Shift]

Options:
1) Decibel
2) Hertz
3) Amplifier
4) Acoustics

Correct Answer: Decibel

Question:76)The complete form of ‘IC’ in electronics is [01 September 2016- Morning Shift]

Options:
1) Internal circuit
2) Independent circuit
3) Integrated circuit
4) Inbuilt circuit

Correct Answer: Integrated circuit

Question:77)8.Sun appears red in colour at sunrise and sunset due to [01 September 2016- Evening Shift]

Options:
1) the fact that sun emits only red colour at that time
2) red light having longer wave length scatters away
3) that sun comes out of the mountains
4) that all other colours scatter away except red

Correct Answer: that all other colours scatter away except red

Question:78)A galvanometer can be converted into a voltmeter by connecting with it a [02 September 2016- Morning Shift]

Options:
1) high resistance in parallel
2) low resistance on parallel
3) high resistance on series
4) low resistance in series

Correct Answer: high resistance on series

Question:79)Kinetic energy depends on[02 September 2016- Evening Shift]

Options:
1) the velocity or speed of the moving body.
2) the mass of the moving body
3) the pressure of the moving body
4) both mass and velocity of the moving body

Correct Answer: both mass and velocity of the moving body

Question:80)When we see an object, the image formed on the retina is ________ [02 September 2016- Evening Shift]

Options:
1) Real and inverted
2) Real and erect
3) Virtual and erect
4) Virtual and inverted

Correct Answer: Real and inverted

Question:81)The Beaufort scale is used to measure: [03 September 2016- Morning Shift]

Options:
1) Atmospheric pressure
2) Altitudes of mountains
3) Wind velocity
4) Intensity of earthquakes

Correct Answer: Wind velocity

Question:82)The component used for tuning a radio is basically a variable ____________________.[03 September 2016- Morning Shift]

Options:
1) Resistor
2) Condenser
3) Inductor
4) Transformer

Correct Answer: Condenser

Question:83)The frequency of direct current is _____________ [04 September 2016- Morning Shift]

Options:
1) Zero
2) 50 HZ
3) 60 HZ
4) 100 HZ

Correct Answer: Zero

Question:84)A galvanometer can be converted to a voltmeter by connecting [04 September 2016- Morning Shift]

Options:
1) a high resistance in parallel
2) a high resistance in series
3) a low resistance in series
4) a low resistance in parallel

Correct Answer: a high resistance in series

Question:85)Addition of suitable impurities into semiconductor, is called [04 September 2016- Morning Shift]

Options:
1) Doping
2) Mixing
3) Forming
4) Diluting

Correct Answer: Doping

Question:86)Flemings “Left hand Rule” is associated with the effect of?[07 September 2016- Morning Shift]

Options:
1) Electric field on current
2) Magnetic field on magnet
3) Electric field on magnet
4) Magnetic Field on current

Correct Answer: Magnetic Field on current

Question:87)Intensity of any wave is proportional to which of the following?[07 September 2016- Morning Shift]

Options:
1) amplitude
2) Square of amplitude
3) Square root of amplitude
4) Cube of amplitude

Correct Answer: Square of amplitude

Question:88)Diamond does not conduct electricity, because [08 September 2016- Evening Shift]

Options:
1) It’s structure is very compact
2) It is of crystalline nature
3) There are only carbon atoms present in it
4) No free electrons are present in it

Correct Answer: No free electrons are present in it

Question:89)Why is weightlessness experienced while orbiting the earth in space ships ? [08 September 2016- Evening Shift]

Options:
1) Inertia
2) Acceleration
3) Zero gravity
4) Orbital motion

Correct Answer: Zero gravity

Question:90)Where is a transistor most likely to be found ? [08 September 2016- Evening Shift]

Options:
1) Wrist watch
2) Fuse
3) Hearing aid
4) Fluorescent lamp

Correct Answer: Hearing aid

Question:91)If an electron and a photon have the same wavelength, then they will have the same [09 September 2016- Morning Shift]

Options:
1) velocity
2) linear momentum
3) angular momentum
4) energy

Correct Answer: linear momentum

Question:92)Which term is not associated with sound wave?[09 September 2016- Morning Shift]

Options:
1) Hertz
2) Decibel
3) Candela
4) Mach

Correct Answer: Candela

Question:93)In hydel power station, the motion produced in turbines is due to [10 September 2016- Evening Shift]

Options:
1) flow of water
2) burning of coal
3) burning of diesel
4) production of steam Correct Answer: flow of water

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