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Recent questions tagged q32
Questions
What are the shapes & hybridization of $SO_2$ & $SO_3$
jeemain
chemistry
unit15
p-block-elements
q32
medium
sec-a
asked
Nov 27, 2013
by
sreemathi.v
1
answer
Chlorophyll containing roots are found in
jeemain
eamcet
biology
2000
q32
asked
Nov 25, 2013
by
thanvigandhi_1
0
answers
Which one of the following is a Bronsted acid but not a Bronsted base?
sat
chemistry
chemical-equilibrium
jeemain
aipmt
equilibrium
easy
q32
biology
asked
Nov 23, 2013
by
mosymeow_1
1
answer
Calyptra in Funaria is from
jeemain
eamcet
biology
1999
q32
asked
Nov 23, 2013
by
thanvigandhi_1
0
answers
If $\begin{vmatrix}6i&-3i&1\\4&3i&-1\\20&3&i\end{vmatrix}=x+iy$ then
jeemain
math
class12
ch4
determinants
q32
evaluate-determinants
easy
asked
Nov 20, 2013
by
sreemathi.v
1
answer
The radius of the circle passing through the centre of the inscribed circle of the $\Delta$le ABC and through the end point of the base BC is R then $\large\frac{a}{R}$$\sec \large\frac{A}{2}$ is equal to
jeemain
math
class11
ch3
trigonometric-functions
q32
angles
difficult
asked
Nov 18, 2013
by
sreemathi.v
1
answer
In $\Delta ABC, \sum (b+c) \tan \large\frac{A}{2}$$ \tan \bigg(\large\frac{B-C}{2}\bigg)$ is equal to :
jeemain
eamcet
math
2005
q32
asked
Nov 12, 2013
by
meena.p
1
answer
Assertion (A) : The energy requirement for the formation of one hexose molecule is more in Chlorella than in sugarcane. Reasons (R) : The formation of phosphoenol pyruvic acid from pyruvic acid requires two ATP molecules.
jeemain
eamcet
biology
2010
q32
asked
Nov 11, 2013
by
thanvigandhi_1
0
answers
Which of the following is a pair of functional isomers?
jeemain
eamcet
chemistry
2005
q32
asked
Nov 11, 2013
by
meena.p
0
answers
If $\overrightarrow a=\hat i+2\hat j+\hat k,\:\overrightarrow b=\hat i-\hat j+\hat k$ and $\overrightarrow c=\hat i+\hat j-\hat k$ and a vector $\overrightarrow d$ which is in the plane of $\overrightarrow a\:and\:\overrightarrow b$ and whose projection on $\overrightarrow c$ is $\large\frac{1}{\sqrt 3}, $ then $\overrightarrow d=?$
jeemain
math
class12
ch10
vector-algebra
medium
vector-product
q32
asked
Nov 10, 2013
by
rvidyagovindarajan_1
1
answer
In a meter bridge a $30\;\Omega$ resistance is connected in the left gap and a pair of resistances P and Q in the right gap. Measured from the left, the balance point is 37.5 cm , when P and Q are in series and $71.4\;cm$ when they the parallel. The values of P and Q (in $\Omega$) are :
jeemain
eamcet
physics
2005
q32
asked
Nov 8, 2013
by
meena.p
1
answer
If $b+c=3a,$ then $cot \large\frac{B}{2}$$ \cot \large\frac{C}{2}$ is equal to :
jeemain
eamcet
math
2006
q32
asked
Nov 6, 2013
by
meena.p
1
answer
Which of the following reacts with benzene in presence of anhydrous aluminium chloride and forms acetophenone ?
jeemain
eamcet
chemistry
2006
q32
asked
Oct 30, 2013
by
meena.p
1
answer
Twelve cells, each having emf E volts are connected in series and are kept in a closed box. Some of these cells are wrongly connected with positive and negative terminals reversed. This 12 cell battery is connected in series with an ammeter , an external resistance R ohms and a two- cell battery (two cells of the same type used earlier , connected perfectly in series). The current in the circuit when the 12 - cell battery and 2-cell battery aid each other is 3A and is 2A when they oppose each other . Then, the number of cells in 12 -cell battery that are connected wrongly is :
jeemain
eamcet
physics
2006
q32
asked
Oct 29, 2013
by
meena.p
2
answers
Thirty seeds each of Dolichos, Pisum and Maize are kept for germination in the soil. How many cotyledons are found above the soil and below the soil respectively when all the seeds germinate?
jeemain
eamcet
biology
2011
q32
asked
Oct 27, 2013
by
thanvigandhi_1
1
answer
In $\Delta ABC, (a+b+c) \bigg(\tan \large\frac{A}{2}$$+\tan \large\frac{B}{2}\bigg)$ is equal to
jeemain
eamcet
math
2007
q32
asked
Oct 25, 2013
by
meena.p
1
answer
Two elements $X$ and $Y$ have atomic mass 75 and 16 respectively.They combine to give a compound having 75.8%X.The formula is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
percentage-composition
q32
medium
asked
Oct 24, 2013
by
sreemathi.v
1
answer
Nitro benzene on reduction with zinc and $NH_4 CL$ gives
jeemain
eamcet
chemistry
2007
q32
asked
Oct 24, 2013
by
meena.p
1
answer
An aluminium (resistivity $\rho=2.2 \times 10^{-8} \Omega m)$ wire of a diameter $1.4 \;mm$ is used to make a $4 \Omega$ resistor. The length of the wire is
jeemain
eamcet
physics
2007
q32
asked
Oct 23, 2013
by
meena.p
1
answer
Observe the following statements :(I) In $\Delta ABC, b \; \cos ^2 \large\frac{C}{2}+c \cos ^2 \large\frac{B}{2} =s$ (II) In $\Delta ABC, \cot \large\frac{A}{2}=\frac{b+c}{2}$$ => B =90^{\circ}$ Which of the following is correct?
jeemain
eamcet
math
2008
q32
asked
Oct 17, 2013
by
meena.p
1
answer
Which of the following requires lysozyme for lytic cycle for viruses?
jeemain
eamcet
biology
2012
q32
asked
Oct 16, 2013
by
thanvigandhi_1
1
answer
If $\sin\alpha\sin\beta+1=0$.Find $1+\cot \alpha\tan\beta=0$
jeemain
math
class11
ch3
trigonometric-functions
q32
trignometric-identities
medium
asked
Oct 16, 2013
by
sreemathi.v
1
answer
The angle between the lines whose direction cosines satisfy the equations $l+m+n=0,l^2+m^2-n^2=0$ is :
jeemain
eamcet
math
2009
q32
asked
Oct 9, 2013
by
meena.p
1
answer
If $\sin\theta_1+\sin\theta_2+\sin\theta_3=3$ then $\cos\theta_1+\cos\theta_2+\cos\theta_3$ is equal to
jeemain
math
class11
ch3
trigonometric-function
q32
trignometric-identies
easy
asked
Oct 8, 2013
by
sreemathi.v
1
answer
Study the following table showing the components of water potential of four cells of an actively transpiring monocot plant.
jeemain
eamcet
biology
2013
q32
asked
Oct 4, 2013
by
thanvigandhi_1
1
answer
When at rest a liquid stands at same level in the tubes shown . But as indicated a height difference of 'h' occurs when the system is given an acceleration towards right. then 'h' equals
jeemain
physics
class11
unit7
properties-of-solids-and-fluids
q32
medium
asked
Oct 4, 2013
by
meena.p
1
answer
If three unit vectors $\overrightarrow {a},\overrightarrow {b},\overrightarrow {c}$ satisfy $\overrightarrow {a}+\overrightarrow {b}+\overrightarrow {c}=\overrightarrow {0}$ then the angle between $\overrightarrow {a}$ and $\overrightarrow {b}$ is :
jeemain
eamcet
math
2010
q32
asked
Sep 26, 2013
by
meena.p
1
answer
If $x$ is real, the value of $\large\frac{x^2-3x+4}{x^2+3x+4}$ lies in the interval
jeemain
eamcet
math
2011
q32
asked
Sep 20, 2013
by
meena.p
1
answer
$P,Q,R$ and $S$ are four points with the position vectors $3 \overrightarrow {i}- 4 \overrightarrow {j}+5 \overrightarrow {k}, 4 \overrightarrow {k},-4 \overrightarrow {i}+ 5\overrightarrow {j}+\overrightarrow {k}$ and $-3\overrightarrow {i}+ 4\overrightarrow {j}+3 \overrightarrow {k}$ respectively. Then the line $PQ$ meets the line RS at the point.
jeemain
eamcet
math
2013
q32
asked
Sep 16, 2013
by
meena.p
1
answer
Reduction of acetaldehyde in presence of $LiAlH_4$ gives ...............
jeemain
eamcet
chemistry
1991
fitb
q32
asked
Sep 12, 2013
by
meena.p
0
answers
A Spherical hole of radius $\large\frac{R}{2}$ is made in a solid sphere of radius R. The mass of the sphere before hollowing was M. The gravitational field at the center of the hole due to the remaining mass is
jeemain
physics
class11
unit6
gravitation
q32
medium
asked
Aug 20, 2013
by
meena.p
1
answer
A car of mass m moving at a speed v is stopped in distance x by friction between tyres and road. If kinetic energy of the car is doubled. its stopping distance will be
jeemain
physics
class11
unit4
work-power-energy
q32
easy
asked
Jul 19, 2013
by
meena.p
1
answer
A body of mass 2 kg is moving along x-direction with velocity 2m/s. If a force of 4N is acting on it along y direction for 1 second, then what will be the final velocity
jeemain
physics
class11
unit3
laws-of-motion
q32
easy
asked
Jul 8, 2013
by
meena.p
1
answer
$ML^{-1}T^{-2}$ represents
jeemain
physics
class11
ch2
units-and-measurement
q32
easy
dimensional-formulae-and-analysis
asked
Jun 18, 2013
by
meena.p
1
answer
$\;\lim \limits_{x \to 0}\Large\frac{a^{x}-b^{x}}{c^{x}-d^{x}}$ is
tnstate
class12
bookproblem
p232
objective
q32
modelpaper
mar-2007
oct-2009
asked
May 18, 2013
by
poojasapani_1
1
answer
If the projection of $\overrightarrow{a} $ on $\overrightarrow{b} $ and the projection of $\overrightarrow{b}$ on $\overrightarrow{a}$ are equal then the angle between $\overrightarrow{a}+\overrightarrow{b}$ and $\overrightarrow{a}-\overrightarrow{b}$ is
tnstate
class12
bookproblem
p267
objective
q32
modelpaper
jun-2007
oct-2009
asked
May 10, 2013
by
poojasapani_1
1
answer
Obtain the inverse of the following matrix using elementary operation $A = \begin{bmatrix} 0 & 1 & 2 \\ 1 & 2 & 3 \\ 3 & 1 & 1 \end{bmatrix} $
cbse
class12
modelpaper
2012
sec-c
q23
2009
q32
ch3
medium
math
asked
Feb 7, 2013
by
thanvigandhi_1
1
answer
Suppose that a fair dice are tossed and let X represents "The sum of points". FInd the mean/ variance of X.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q32
p42
math
asked
Feb 5, 2013
by
meena.p
0
answers
Evaluate:\[\int \frac{1}{\sin^2x\cos^2x}dx\]
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q32
p26
math
asked
Feb 2, 2013
by
meena.p
0
answers
Find the interval in which the function f(x) is increasing or decreasing $ f(x)=x^3-12 x^2+36x+17 $
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q32
p18
math
asked
Jan 29, 2013
by
meena.p
0
answers
If two matrices $ A^{-1}\;and\;B$ are given how to find $(AB)^{-1}$verify with an example.\[(Find\; B^{-1} then\; find\; B^{-1} \times A^{-1})\]
cbse
class12
additionalproblem
kvquestionbank2012
ch3
q32
p9
math
sec-b
asked
Jan 24, 2013
by
meena.p
0
answers
Find the equation of a curve passing through the point (1,1).If the tangent drawn at any point P(x,y) on the curve meets the coordinate axes at A and B such that P is the mid-point of AB.
cbse
class12
ch9
sec-b
q32
p195
exemplar
difficult
math
asked
Jan 18, 2013
by
sreemathi.v
1
answer
If $\mid\overrightarrow{a}\mid=4$ and $-3\leq\:\lambda\leq 2$,then the range of $\mid\lambda\overrightarrow{a}\mid$ is
cbse
class12
ch10
q32
p218
exemplar
easy
sec-a
math
asked
Jan 17, 2013
by
sreemathi.v
1
answer
The area of the region bounded by the circle $x^2+y^2=1$ is \[(A)\;2\pi sq.units\quad(B)\;\pi sq. units\quad(C)\;3\pi sq.units\quad(D)4\pi sq.units\]
cbse
class12
ch8
q32
p178
objective
exemplar
sec-b
easy
math
asked
Jan 16, 2013
by
sreemathi.v
1
answer
Evaluate the following: $\int\limits_0^1\frac{xdx}{\sqrt{1+x^2}}$
cbse
class12
ch7
q32
p165
exemplar
sec-a
easy
math
asked
Jan 14, 2013
by
sreemathi.v
1
answer
AB is a diameter of a circle and C is any point on the circle.Show that the area of $\bigtriangleup ABC$ is maximum,when it is isosceles.
cbse
class12
ch6
q32
p138
exemplar
difficult
sec-c
math
asked
Jan 11, 2013
by
sreemathi.v
1
answer
Suppose you have two coins which appear identical in your pocket.you know that one is fair and one is 2 headed.If you take one out,toss it and get a head,what is the probability that it was a fair coin?
cbse
class12
ch13
q32
p275
short-answer
exemplar
sec-a
medium
math
asked
Jan 9, 2013
by
sreemathi.v
1
answer
Corner points of the feasible region for an LPP are $(0,2)(3,0),(6,0),(6,8) and (0,5)$.
cbse
class12
ch12
q32
p255
objective
exemplar
sec-a
easy
math
asked
Jan 8, 2013
by
sreemathi.v
1
answer
The sine of the angle between the straight line $\large \frac{x\;-2}{3}=\frac{y\;-3}{4}=\frac{z\;-4}{5}\;$ and the plane $2x-2y+z=5$ is
cbse
class12
ch11
q32
p238
objective
exemplar
easy
sec-a
math
asked
Jan 4, 2013
by
sreemathi.v
1
answer
Differentiate the following w.r.t $x$ : $\sin (x^2)+\sin^2x+\sin^2(x^2)$.
cbse
class12
ch5
q32
p109
short-answer
exemplar
sec-a
easy
math
asked
Dec 31, 2012
by
sreemathi.v
1
answer
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