WIPRO 2000

======================================================== Wipro technologies 2000


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
a.delta q b.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
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
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 bare 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 trres
trees gives wood then

ans dogs give wood

25 a .if one touches bees it stings
b he touched the b

1. it stings 2 it may not sting 3.it definitely stings
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
iven 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

32a 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 becime
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