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Most Expected General Knowledge Questions for CDS 2022

Most Expected General Knowledge Questions for CDS

Barely 20 days left for the CDS exam, we already know the hustles you are going through , collecting all the study material from different sources, baffled about what to read and what not, hectic Routine Right? don’t worry we are here with help!

As you all know it is necessary to have exam oriented for excelling the exam but it becomes hard to sort out the exam oriented material from the rest so we present you the Important General Knowledge Questions  for CDS 1 2022 to get you out of this distress.

Check CDS 1 2022 Exam Analysis

General Knowledge Questions

Static GK! the necessary evil in every aptitude exam, but you have to memorize it no matter what because this section play a very crucial role in setting you apart from others, and again every mark worth so give it a try. Our Questions will help you getting through it and indeed assist you in excelling this section in examination, so get started, the least you can do for moving one step closer to your Dream Job. Without further Ado lets discuss the merits  of the  General Knowledge Questions we are providing you:

  • Exam oriented Questions
  • Based on the previous year pattern ‘
  • Made by experts
  • Include all levels questions , easy to hard
  • Provide you a gist of the Subject
  • Save you the time of finding matter

General Knowledge Questions for CDS I 2022


Q1. A ray of white light strikes the surface of an object. If all the colours are reflected the surface would appear

(a) Black

(b) White

(c) Grey

(d) Opaque

Q2. Motion of an oscillating liquid column in a U-tube is 

(a) Periodic but not simple harmonic

(b) Non-periodic

(c) Simple harmonic and time period is independent of the density of the liquid

(d) Simple harmonic and time period depends on the density of the liquid.

Q3. Dirty cloths containing grease and oil stains are cleaned by adding detergents to water. Stains are removed because detergent 

(a) Reduces drastically the surface tension between water and oil

(b) Increases the surface tension between water and oil

(c) Increases the viscosity of water and oil

(d) Decreases the viscosity in detergent mixed water

Q4. You are asked to job in a circular track of radius 35 m. Right one complete round on the circular track, your displacement and distance covered by you respectively

(a) Zero and 220 m

(b) 220 m and zero

(c) Zero and 110 m

(d) 110 m and 220 m

Q5. When an incandescent electric bulb glows 

(a) The electric energy is completely converted into light

(b) The electric energy is partly converted into light energy and partly into heat energy

(c) The light energy is converted into electric energy

(d) The electric energy is converted into magnetic energy

Q6. In cricket match, while catching a fast moving ball, a fielder in the ground gradually pulls his hands backwards with the moving ball to reduce the velocity to zero. The act represents

(a) Newton’s first law of motion

(b) Newton’s second law of motion

(c) Newton’s third law of motion

(d) Law of conservation of energy

Q7. Two layers of a cloth of equal thickness provide warmer covering than a single layer of cloth with double the thickness. Why? 

(a) Because of the air encapsulated between two layers

(b) Since effective thickness of two layers is more

(c) Fabric of the cloth plays the role

(d) Weaving of the cloth plays the role

Q8. A mobile phone charger is 

(a) An inverter

(b) A UPS

(c) A step-down transformer

(d) A step-up transformer

Q9. No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be 

(a) Either plane or convex

(b) Plane only

(c) Concave

(d) Convex only

Q10. The position, relative size and nature of the image formed by a concave lens for an object placed at infinity are respectively 

(a) At focus, diminished and virtual

(b) At focus, diminished and real

(c) Between focus and optical center, diminished and virtual

(d) Between focus and optical center, magnified and real


S1. Ans.(b)

Sol. When an object reflects all the colours of a white light, then it would appear white. White light is the combination of all seven colours (VIBGYOR) of light.

S2. Ans.(c)

Sol. Motion of an oscillating liquid column in a U-tube is called simple harmonic motion with time period independent of on the density of the liquid.

S3. Ans.(a)

Sol. One end of hairpin shaped detergents attracted to water and other to molecules of oil or grease that reduces drastically the surface tension between water and oil.

S4. Ans.(a)

Sol. Displacement = Shortest distance between initial and final point = 0

Distance travelled by you = 2 πr

(Circumference of the circular track)

= 2×227×35=70×227=220m

S5. Ans.(b)

Sol. When current flows through the filament of incandescent electric bulb, it gets heated up. Soon it becomes white hot and starts emitting light.

S6. Ans.(b)

Sol. We know from Newton’s second law of motion

Fext=dPdt when dt is more Fext will be less.

The greater the rate of change of momentum, the greater is the force and vice-versa.

S7. Ans.(a)

Sol. Two layers of a cloth are warmer because air trapped between the layers acts as thermal insulator restricting the heat transfer.

S8. Ans.(c)

Sol. A mobile phone charger is basically a step-down transformer which converts high voltage to low voltage.

S9. Ans.(a)

Sol. Image formed by a plane and a convex mirror is always erect. Concave mirror forms image both erect and inverted depends on the position of the object from the mirror.

S10. Ans.(a)

Sol. From the ray diagram, it is very clear that the image of the object placed at infinity from a concave lens is virtual diminished and at the focus of the lens.

Now that you have all the needed material at hand you can start focusing more on your studies, all the best!


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