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Recent questions tagged tnstate
ASK
What are the differences between a particle and a wave ?
tnstate
chemistry
class12
inorganic
p4
theoryquestion
atomic structure
asked
May 18
by
pady_1
1
answer
What are the properties of lines of forces ?
tnstate
class12
physics
p8
electrostatics
theoryquestion
ch2
asked
May 15
by
pady_1
1
answer
write applications of superconductors
class12
tnstate
physics
current electricty
ch2
p58
asked
May 12
by
anonymous
1
answer
An aircraft having a wingspan of $20.48\; m$ flies due north at aspeed of $40 ms^{âˆ’1}$. If the vertical component of earthâ€™s magneticfield at the place is $2 Ã— 10^{âˆ’5}\; T$, Calculate the emf induced betweenthe ends of the wings.
jeemain
physics
tnstate
class12
ch4
easy
electromagnetic-induction
motional-electromotive-force
asked
Mar 12, 2014
by
balaji.thirumalai
1
answer
How can we relate the Three dimensional Geometry with the Two Dimensional (Co Ordinate) Geometry?
class12
cbse
toolbox
tnstate
mustknow
math
asked
Oct 1, 2013
by
suchy.ramakrishnan
0
answers
A discrete random variable X has the following probability distributions (see table below). (iii) Find P(3 < x < 7)
tnstate
class12
bookproblem
ch10
sec2
exercise10-1
p203
q4
q4-3
asked
Sep 16, 2013
by
sreemathi.v
1
answer
A discrete random variable X has the following probability distributions (see table below). (ii) Find P(x < 3)
tnstate
class12
bookproblem
ch10
sec2
exercise10-1
p203
q4
q4-2
asked
Sep 16, 2013
by
sreemathi.v
1
answer
Use the truth table to establish which of the following statements are tautologies and which are contradictions.
tnstate
class12
bookproblem
ch9
sec1
exercise9-3
p167
q1
q1-5
modelpaper
jun-2008
asked
Sep 13, 2013
by
sreemathi.v
1
answer
Use the truth table to establish which of the following statements are tautologies and which are contradictions.
tnstate
class12
bookproblem
ch9
sec1
exercise9-3
p167
q1
q1-4
asked
Sep 13, 2013
by
sreemathi.v
1
answer
Use the truth table to establish which of the following statements are tautologies and which are contradictions.
tnstate
class12
bookproblem
ch9
sec1
exercise9-3
p167
q1
q1-3
modelpaper
oct-2009
asked
Sep 13, 2013
by
sreemathi.v
1
answer
Use the truth table to establish which of the following statements are tautologies and which are contradictions.
tnstate
class12
bookproblem
ch9
sec1
exercise9-3
p167
q1
q1-2
asked
Sep 13, 2013
by
sreemathi.v
1
answer
Solve the following differential equation;$(D^{2}-13D+12)$y$=e^{-2x}+5e^x$
tnstate
class12
bookproblem
ch8
sec-1
exercise8-5
p150
q4
asked
Sep 5, 2013
by
sreemathi.v
1
answer
Find the equation of parabola if : Vertex $(1 , 4); $ open left ward and passing through the point $(-2,10)$
tnstate
class12
bookproblem
ch4
sec-1
exercise4-1
q1
q1-6
p192
asked
Jun 24, 2013
by
sreemathi.v
1
answer
Find the equation of the hyperbola if centre: $(0 , 0 )$ length of the semi-transverse axis is $6; e=3$ and the transverse axis is parallel to $y$-axis.
tnstate
class12
bookproblem
ch4
sec-1
exercise4-3
q1
q1-3
p237
mar-2007
modelpaper
asked
Jun 19, 2013
by
sreemathi.v
1
answer
Find all the values of $\bigg(\large\frac{1}{2}$$-i\large\frac{\sqrt 3}{2}\bigg)^{\Large\frac{3}{4}}$ and hence prove that the product of the values is 1.
tnstate
class12
bookproblem
ch3
exercise3-5
q5
p166
oct-2007
mar-2008
modelpaper
asked
Jun 13, 2013
by
sreemathi.v
1
answer
Solve : $x^4-x^3+x^2-x+1=0$
tnstate
class12
bookproblem
ch3
exercise3-5
q4
q4-2
p166
jun-2008
asked
Jun 13, 2013
by
sreemathi.v
1
answer
Solve : $x^4+4=0$
tnstate
class12
bookproblem
ch3
exercise3-5
q4
q4-1
p166
jun-2006
oct-2008
oct-2009
modelpaper
asked
Jun 12, 2013
by
sreemathi.v
1
answer
Prove that if $\omega^3=1$,then (iii) $\large\frac{1}{1+2\omega}-\frac{1}{1+\omega}+\frac{1}{2+\omega}$$=0$
tnstate
class12
bookproblem
ch3
exercise3-5
q3
q3-3
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
Prove that if $\omega^3=1$,then (ii) $\bigg(\large\frac{-1+i\sqrt 3}{2}\bigg)^5+\bigg(\large\frac{-1-i\sqrt 3}{2}\bigg)^5$$=-1$
tnstate
class12
bookproblem
ch3
exercise3-5
q3
q3-2
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
Prove that if $\omega^3=1$,then (i) $(a+b+c)(a+b\omega+c\omega^2)(a+b\omega^2+c\omega)=a^3+b^3+c^3-3abc$
tnstate
class12
bookproblem
ch3
exercise3-5
q3
q3-1
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
If $x=a+b$,$y=a\omega+b\omega^2,z=a\omega^2+b\omega$ show that (ii) $x^3+y^3+z^3=3(a^3+b^3)$ where $\omega$ is the complex cube root of unity.
tnstate
class12
bookproblem
ch3
exercise3-5
q2
q2-2
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
If $x=a+b$,$y=a\omega+b\omega^2,z=a\omega^2+b\omega$ show that (i) $xyz=a^3+b^3$ where $\omega$ is the complex cube root of unity.
tnstate
class12
bookproblem
ch3
exercise3-5
q2
q2-1
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
Find all the value of the following : $(-\sqrt 3-i)^{\large\frac{2}{3}}$
tnstate
class12
bookproblem
ch3
exercise3-5
q1
q1-3
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
Find all the value of the following : $(8i)^{\large\frac{1}{3}}$
tnstate
class12
bookproblem
ch3
exercise3-5
q1
q1-2
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
Find all the value of the following : $(i)^{\large\frac{1}{3}}$
tnstate
class12
bookproblem
ch3
exercise3-5
q1
q1-1
p166
asked
Jun 12, 2013
by
sreemathi.v
1
answer
If $\cos \alpha +\cos \beta + \cos \gamma = 0 = \sin \alpha + \sin \beta + \sin \gamma$, prove that $\cos 2\alpha + \cos 2\beta + \cos 2\gamma = 0$
tnstate
class12
bookproblem
ch3
exercise3-4
q3
q3-3
p157
jun-2006
modelpaper
asked
Jun 11, 2013
by
sreemathi.v
1
answer
If $\cos \alpha +\cos \beta + \cos \gamma = 0 = \sin \alpha + \sin \beta + \sin \gamma$, prove that $\sin 3\alpha + \sin 3\beta + \sin 3\gamma = 3 \sin\left ( \alpha +\beta + \gamma \right )$
tnstate
class12
bookproblem
ch3
exercise3-4
q3
q3-2
p157
asked
Jun 11, 2013
by
sreemathi.v
1
answer
$P$ represents the variable complex number $z$.Find the locus of $P$,if $arg\bigg(\large\frac{z-1}{z+3}\bigg)=\large\frac{\pi}{2}$
tnstate
class12
bookproblem
ch3
sec3
exercise3-2
q8
q8-5
p150
asked
Jun 10, 2013
by
sreemathi.v
1
answer
$P$ represents the variable complex number $z$.Find the locus of $P$,if $\mid 2z-3\mid=2$
tnstate
class12
bookproblem
ch3
sec3
exercise3-2
q8
q8-4
p150
mar-2009
modelpaper
asked
Jun 10, 2013
by
sreemathi.v
1
answer
$P$ represents the variable complex number $z$.Find the locus of $P$,if $Re\bigg(\large\frac{z-1}{z+i}\bigg)$$=1$
tnstate
class12
bookproblem
ch3
sec3
exercise3-2
q8
q8-3
p150
asked
Jun 10, 2013
by
sreemathi.v
1
answer
$P$ represents the variable complex number $z$.Find the locus of $P$,if $\mid z-5i\mid=\mid z+5i\mid$
tnstate
class12
bookproblem
ch3
sec3
exercise3-2
q8
q8-2
p150
mar-2010
modelpaper
asked
Jun 10, 2013
by
sreemathi.v
1
answer
$P$ represents the variable complex number $z$.Find the locus of $P$,if $Im\bigg[\large\frac{2z+1}{iz+1}\bigg]$$=-2$
tnstate
class12
bookproblem
ch3
sec3
exercise3-2
q8
q8-1
p150
asked
Jun 10, 2013
by
sreemathi.v
1
answer
Prove that the triangle formed by the points representing the complex numbers $(10+8i),(-2+4i)$ and $(-11+31i)$ on the Argand plane is right angled.
tnstate
class12
bookproblem
ch3
sec3
exercise3-2
q4
p150
asked
Jun 10, 2013
by
sreemathi.v
1
answer
If $z^2=(0,1)$ find $z$.
tnstate
class12
bookproblem
ch3
sec3
exercise3-2
q3
p150
asked
Jun 7, 2013
by
sreemathi.v
1
answer
Find the square root of $(-8-6i)$
tnstate
class12
bookproblem
ch3
sec3
exercise3-2
q2
p150
mar-2006
oct-2006
modelpaper
asked
Jun 7, 2013
by
sreemathi.v
1
answer
The marks secured by $400$ students in a Mathematics test were normally distributed with mean $65$. If $120$ students got more marks above $85$, the number of students securing marks between $45$ nd $65$ is
tnstate
class12
bookproblem
p244
objective
q150
modelpaper
oct-2007
asked
Jun 3, 2013
by
poojasapani_1
1
answer
If $f(x)$ is a p.d.f of a normal variate $x$ and $X\sim N(\mu,\sigma^{2})$ then $\int\limits_{-\infty}^{\mu}f(x)dx $ is
tnstate
class12
bookproblem
p244
objective
q149
asked
Jun 3, 2013
by
poojasapani_1
1
answer
The random variable $X$ follows normal distribution $f(x)=ce\large\frac{-1/2(x-100)^{2}}{25}$ Then the value of $c$ is
tnstate
class12
bookproblem
p244
objective
q148
modelpaper
jun-2006
mar-2010
asked
Jun 3, 2013
by
poojasapani_1
1
answer
If $f(x)$ is a p.d.f of a normal distribution with mean $\mu$ then $\int\limits_{-\infty}^{\infty}f(x)dx$ is
tnstate
class12
bookproblem
p244
objective
q147
modelpaper
oct-2006
mar-2007
jun-2007
asked
Jun 3, 2013
by
poojasapani_1
1
answer
In a poisson distribution if $P(X=2)=P(X=3)$ then the value of its parameter $\lambda$ is
tnstate
class12
bookproblem
p244
objective
q146
asked
Jun 3, 2013
by
poojasapani_1
1
answer
For a poisson distribution with parameter $ \lambda=0.25$ the value of the $2^{nd}$ moment about the origin is
tnstate
class12
bookproblem
p244
objective
q145
modelpaper
oct-2009
asked
Jun 3, 2013
by
poojasapani_1
1
answer
The distribution function $F(X)$ of a random variable $X$ is
tnstate
class12
bookproblem
p244
objective
q144
modelpaper
mar-2008
asked
Jun 3, 2013
by
poojasapani_1
1
answer
If a random variable $X$ follows poisson distribution such that $E(X^{2})=30$ then the variance of the distribution is
tnstate
class12
bookproblem
p243
objective
q143
modelpaper
jun-2008
asked
May 30, 2013
by
poojasapani_1
1
answer
If in a poisson distribution $P(X=0)=k$ then the variance is
tnstate
class12
bookproblem
p243
objective
q142
modelpaper
oct-2007
mar-2007
oct-2008
mar-2009
asked
May 30, 2013
by
poojasapani_1
1
answer
If $2$ cards are drawn from a well shuffled pack of $52$ cards, the probability that they are of the same colours without replacement, is
tnstate
class12
bookproblem
p243
objective
q141
asked
May 30, 2013
by
poojasapani_1
1
answer
A box contains $6$ red and $4$ white balls.If $3$ balls are drawn at random, the probability of getting $2$ white balls without replacement, is
tnstate
class12
bookproblem
p243
objective
q140
asked
May 28, 2013
by
poojasapani_1
1
answer
In $16$ throws of a die getting an even number is considered a success. Then the variance of the successes is
tnstate
class12
bookproblem
p243
objective
q139
modelpaper
jun-2007
mar-2010
asked
May 28, 2013
by
poojasapani_1
1
answer
If the mean and standard deviation of a binomial distribution are $12$ and $2$ respectively. Then the value of its parameter $p$ is
tnstate
class12
bookproblem
p243
objective
q138
asked
May 28, 2013
by
poojasapani_1
1
answer
The mean of a binomial distribution is $5$ and its standard deviation is $2.$ Then the value of $n$ and $p$ are
tnstate
class12
bookproblem
p243
objective
q137
asked
May 28, 2013
by
poojasapani_1
1
answer
In $5$ throws of a die, getting $1$ or $2$ is a success. The mean number of successes is
tnstate
class12
bookproblem
p243
objective
q136
modelpaper
oct-2006
asked
May 28, 2013
by
poojasapani_1
1
answer
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