Can any buddy here please provide me the previous year Question Papers for CDS Exam????

Here I am providing you the previous year Question Papers for CDS Exam

1 Lack of atmosphere, around ,the Moon is due to
-(a) low escape velocity of air molecule and low gravitational attraction
(b) high escape .velocity of air molecule and low gravitational attraction
(c) low gravitational attraction only
(d) high escape velocity of air moIecule only

2. Which, one among the following correctly definks a unit magnetic
pole in SI units? It is the pole which when placed in air at a distance of
(a) 1 foot from an equal and a similar pole repels it. with a force 'of. 1 pound
(b) 1 metre from an equal and a similar pole repels it with a force of 1 newton
(c) . 1 cm from an equal and a similar pole repels it with a force of 1 dyne
(d) 1 metre from an equal and a similar pole repels it with, a force of 1 newton/m2

3. After rising a short distance, the smooth column of smoke from a cigarette breaks up into an irregular and random pattern. In a similar fashion, a strea5 of 'fluid
flowing past- an obstacle breaks up into eddies and vortices which give the flow irregular velocity components transverse to the flow direction. Other examples include the wakes left in water by moving ships, the sound produced by whistling and *by wind instruments. These examples are the results of
(a) laminar how of air
(b) streamline flow of 'air'
(c) turbulent llow of 'air
(d) viscous. flow at low speed

4. Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of % the wires is slightly increased and both the wires are made to vibrate -simultaneously?
(a) Noise
(b) ,Beats
(c) Resonance
(d) Non-linear effects,







Rest of the questions are attached in the below file which is free of cost

Attached Files

CDS Exam Question Paper.pdf (2.00 MB, 72 views)