WIPRO 2000 paper

Wipro technologies

1.two bodies changed from p1v1 to p2v2 state in two ways.the heat
supplied is delta Q and work done is delta W then what is constant in
these two processes
1. delta q 2.delta w 3.delta q +delta w 4 delta q-delta w


2. when a free electron is placed in a plane of electro magnetic then it moves in

a in the direction of the electric field
b. in the direction of magnetic field
c. of propagation of wave
d. of the plane containing magnetic field and propagation direction.

3. which is not an ideal solution?

no options available,

ans water plus ethenol

4 the elements which have same atomic mass and same atomic number are
a. isotopes b.isobar c.isomer d isotones

5 name the phenomena in which one photon is jumped from one isomer to
another isomer to create two different elements?

a functional isomerisim
b sterio merisim
c tauto merisim
d.penta merisim

6 in the below compounds which one has 40% c ,6.7%h 53.3 % o what is its
empherical formula
a cho b ch2o c c2h2o2 d c2h3o2

7 x rays are coming from x ray tube

a the wave length is below the certain wavelength
b above
c inbetween
d out of


8 in troide volve in order to increase the saturation current what has to
be done
a increase plate voltage
b reduce distance between grid and plate
c increase cathode potential
d reduce grid potentia

9 seven different toys are distributed among 3 children how many.different ways?
a. 7c3 b 7p3 c 3 power 7 d 7 power 3

10 a,b, and c are three speakers .they have to speak along by another 5 speakers in afunction.a has to speak before b and b has to spek before c .how many different ways are possible?

11 period of sin (2pi+3)/6pi

12 dy =(secx + ytanx)dx then the curve is
a.x=ycosx b. x=ysinx c.x=ytanx d. x=ysecx

13 integral (( 2x square +3 )/ (x square +x +1) square ) dx

14 two serieses are 16,21,25. And 17,21,25. What is the sum of first hundred common numbers?

15 there are two sections in a question paper each contain five questions .students has to answer 6 questions maximum no. of questions,that can be answered from any section is 4.how many ways he can attempt?

16 a and b are two no.s selected randomly from 1,2,3,25 what is the probability of a and b are equal?

17 1+2(1+1/n) + 3(1+1/n)square .find sum of n numbers?

18 two circles of different radii intersects each other what is the maximum no of intersections
x +a =0 roots are [0 1] then what is a?

20 x= sin-1 t and y=log (1-t2) then find d2y/dx2 at t=1/2?

21 lt x-> infinity ( ((integral 0 to x ( e power x dx)) power 2
( integral 0 to x ( e power x square dx))

22 f(x)=1-cos(1-cosx)/x4 is continuos at f(0) then what is x?

23 the word SURITI .if u arrange the letters in dictionary order then what is the rank of IT?

24 given that all dogs are trees. trees gives wood then ?

ans dogs give wood

27 a starts at a point and walks towards north for 2 mtrs and turns two his right side and walks for 4 mtrs then turns right walks for 4 mtrs the turns and walks for 4 mtrs then ?

1.in which direction a is going after first turn?
2 how much distnace away from the beginning point at the end?

28 given two clues and u have to prove one statement using those clues .u have to decide wheter one is sufficient or 2 is sufficient are both are required or neither?

29 a person wants to measure length of a rod .first he measures with standing ideal.second he measures it with moving parralel to the rod.

a the length will decrease in second case
b length will be same
c length will increase in the second case

30. there are three sr s/w proffessional x,y,z. and 4 jr proffessinal a, b,c,d a team of four memebers are two be choosen 2 from each.the company wants evry one in the team to have friendly relation by other given that
y is not a frind of a
x is not a friend of b
a is not a friend of b
three questions on this

31.a line is passing through (1,0) what is the line equation.

32. a question is like this a done work in 3 days a and b can done in 2 days
..
33 one u 230 nuclues is placed in a train moing by velovity emitting
alpha rays.when the train is at rest the
distance betwwen nucleus and alpha particle is x .one passenger
is observing the alpha particle .when the train is
moving what is the distance between alpha particle and nucleus .
a .x b. x+vt c. x-vt

34 what is the resulting solution if benzene and toulene are mixed

35 one question on ordering the given chemicals based on their acidity

36 one question on reaction benzene ,ferric chloride and other chemical

37 one receiver is placed above the emitter.and emitter is emitting

electrons.if elctric field is applied in the direction
opposite to fllow then
velocity of electron will increse
kinetic energy will increse

38 a question on photo multipliers

39 a question on motion of electron in elecro magnetic field

40 a company requries 55 application programmers and 25 system programmers.10 must be able to do both. How many programmers the company must recruit

Computerscience

1 what sorting alogo. Has best and worst case time equal
2 what page replacement algo. Has minimu m no pagefaults
3 what is the use of abstract base class in c++
5 eccentricity of a node in the graph ans 7
6 a question syntax directed translation
7 infix to postfix conversion
8 nyquist theorem
9 swapping means
10 assignment operator targets to ans l-value
11 a byte addressable computer has memory capacity of 2 power m Kbytes and can perform 2 power n operation s an instruction involving three operands and one operator needs maximum of ---bits

ans 3m+n

12 in round robi n schedulin if time quatum is too large then it becomes?

ans FCFS
13 the best tool for editing a graphic image
14 network schema define a one to on b many to many c one to many
15 based on optimal lru page replacement alogorithim one question
16 in 8085 after cmp a what happens ans : zset and c reset electronics
1 a question on p doping , n doping concentration and resistivity asked for conductivity
2 given Ft , Cbe asked for Gm and Rbe
3 whenston bridge made by r and c what is frequncy
4 t resistance , c is given find f and q of crystal
5 critical frequency and angle theta is give fine maximum usable frequency
6 two questions on paraboloid refector and anttena half wave diopole design
7 ramp siganl is generated from integrator question on whether it is low Rc or high Rc
8 calculate fm badwidth given maximum modulation frequency fm ,max frequncy deviation delta f and 8 pairs allowable side band components
9 in electronics questions elctronic devices , circuits,
communication,antennas ,propagation of waves
and emf


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