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Recent questions tagged q48
Questions
Nerve toxins are
jeemain
chemistry
class11
environmental-chemistry
unit14
q48
medium
asked
Jan 21, 2014
by
sreemathi.v
1
answer
A fair die is tossed eight times. The probability that a third six is observed on the eight throw is
jeemain
math
cbse
class12
probability
easy
q48
asked
Jan 16, 2014
by
thanvigandhi_1
1
answer
The electronic configuration $1s^2,2s^2p^6,3s^13p^1$ correctly describes :
sat
atomic-structure
jeemain
chemistry
physical-chemistry
class11
unit2
quantum-mechanical-model
q48
easy
asked
Jan 13, 2014
by
sreemathi.v
1
answer
The mole fraction of NaCl in a solution containing 1 mole of NaCl in 1000g of water is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q48
easy
asked
Jan 9, 2014
by
sreemathi.v
1
answer
Find the sum of n terms of the series 2.4 + 5.6 + 8.8 + 11.10 +---------
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q48
asked
Jan 3, 2014
by
yamini.v
1
answer
If the plane $\large\frac{x}{2}+\frac{y}{3}+\frac{z}{4}=1$ cuts the coordinate axis in $A,B,C$ respectively, then the area of the $\Delta\:ABC$ is ?
jeemain
math
class12
ch11
3d-geometry
intersection-of-lines-and-planes
medium
q48
asked
Jan 2, 2014
by
rvidyagovindarajan_1
1
answer
The function $f(x)=\left\{\begin{array}{1 1}1&x\leq -1\\|x|&-1< x < 1\\0&x\geq 1\end{array}\right.$
jeemain
math
class12
ch5
continuity-and-differentiability
differentiability
easy
q48
asked
Dec 24, 2013
by
sreemathi.v
1
answer
If the lattice parameter for a crystalline structure is 3.6 A, then the atomic radius in fcc crystal is :
aipmt
modelpaper
physics
2008
q48
asked
Dec 16, 2013
by
thanvigandhi_1
0
answers
Integrate: $\int \limits_0^{2 \pi} \sqrt {1-\sin \large\frac{x}{2} } dx$
jeemain
math
class12
ch7
integral-calculus
integration-using-partial-fractions
medium
q48
asked
Dec 16, 2013
by
meena.p
1
answer
$AgNO_3(aq)\;\overset{\overset{electrolysis}{\Large\rightarrow}}{in\;presence\;of\;Ag\;electrode}$ then wrong statement is
jeemain
chemistry
unit8
redox-reactions-and-electrochemistry
q48
difficult
asked
Dec 12, 2013
by
sreemathi.v
1
answer
When are the glogi bodies of a cell made non - functional ?
jeemain
eamcet
biology
2002
q48
asked
Dec 9, 2013
by
thanvigandhi_1
0
answers
A cell organelle enveloped by a single unit membrane is
jeemain
eamcet
biology
2001
q48
asked
Dec 2, 2013
by
thanvigandhi_1
0
answers
Silica is soluble in
jeemain
chemistry
unit15
p-block-elements
q48
medium
asked
Nov 28, 2013
by
sreemathi.v
1
answer
$\rho H$ of water is 7.0 at 298 K. If water is heated to 350 K, which of the following should be true?
jeemain
aipmt
chemistry
equilibrium
medium
q48
biology
asked
Nov 27, 2013
by
mosymeow_1
1
answer
Periblem is a part of
jeemain
eamcet
biology
2000
q48
asked
Nov 26, 2013
by
thanvigandhi_1
0
answers
The enzyme code of enzyme 2.7.1.1 refers to the following main group
jeemain
eamcet
biology
1999
q48
asked
Nov 23, 2013
by
thanvigandhi_1
0
answers
If $A$ is a square matrix such that $A^2=I$ then $A^{-1}$ is equal to
jeemain
math
class12
ch3
matrices
q48
transpose-of-a-matrix
easy
asked
Nov 21, 2013
by
sreemathi.v
1
answer
If $|\overrightarrow a|=5, \:|\overrightarrow b|=3\:|\overrightarrow c|=4$ and $\overrightarrow a$ is $\perp$ to $\overrightarrow b\:\:and\:\:\overrightarrow c$ then $[\overrightarrow a\:\overrightarrow b\:\overrightarrow c]=?$
jeemain
math
class12
ch10
vector-algebra
medium
addition-of-vectors
q48
asked
Nov 18, 2013
by
rvidyagovindarajan_1
1
answer
The fusion of pronuclei of dissimilar gametes is called :
jeemain
eamcet
biology
2010
q48
asked
Nov 13, 2013
by
thanvigandhi_1
0
answers
The equation of the straight line perpendicular to $5x-2y=7$ and passing through the point of intersection of the lines $2x+3y=1$ and $3x+4y=6$ is :
jeemain
eamcet
math
2005
q48
asked
Nov 12, 2013
by
meena.p
1
answer
The line represented by the equation $x^2-y^2-x+3y-2=0$ are :
jeemain
eamcet
math
2006
q48
asked
Nov 6, 2013
by
meena.p
1
answer
In rabbit the opening of coronary sinus into the left precaval vein is found by a fold called :
jeemain
eamcet
biology
2011
q48
asked
Oct 27, 2013
by
thanvigandhi_1
1
answer
In the triangle with vertices at $A(6,3),B(-6,3)$ and $C(-6,-3)$ the median through A meets BC at P, the line AC meets the x-axis at Q,while R and S respectively denote the orthocenter and centroid of the triangle. Then the correct matching of the coordinates of points in List -I to List - II is
jeemain
eamcet
math
2007
q48
asked
Oct 25, 2013
by
meena.p
1
answer
Number of ions present in 2.0 litre of a solution of $0.8MK_4Fe(CN)_6$ is
jeemain
chemistry
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
mole-concept-and-molar-masses
q48
medium
asked
Oct 25, 2013
by
sreemathi.v
1
answer
The value of k such that the lines $2x-3y+k=0,3x-4y-13=0$ and $8x-11y-33=0$ are concurrent , is
jeemain
eamcet
math
2008
q48
asked
Oct 17, 2013
by
meena.p
1
answer
The hexacanth of Taenia reaches the heart of the pig through this vein
jeemain
eamcet
biology
2012
q48
asked
Oct 17, 2013
by
thanvigandhi_1
1
answer
$\tan 5^{\large\circ}$ is a
jeemain
math
class11
ch3
trigonometric-functions
q48
basic-trigonometric-functions
medium
asked
Oct 17, 2013
by
sreemathi.v
1
answer
The pair of straight line $x^2-3xy+2y^2=0$ and $x^2-3xy+2y^2=0$ and $x^2-3xy+2y^2+x-2=0$ form a:
jeemain
eamcet
math
2009
q48
asked
Oct 10, 2013
by
meena.p
1
answer
If $\tan\alpha=\large\frac{x}{x+1}$ and $\tan \beta=\large\frac{1}{2x+1}$ then $\alpha+\beta$ is
jeemain
math
class11
ch3
trigonometric-functions
q48
trignometric-identities
easy
asked
Oct 9, 2013
by
sreemathi.v
1
answer
A ball of density $0.5 \times 10^3$ is dropped from a height of $10\; m$ and then enters water . Upto what depth will the ball go inside the water before it starts raising up.
jeemain
physics
class11
unit7
properties-of-solids-and-fluids
q48
medium
asked
Oct 8, 2013
by
meena.p
1
answer
Which of the following character is not related to Indian chain viper?
jeemain
eamcet
biology
2013
q48
asked
Oct 5, 2013
by
thanvigandhi_1
1
answer
If $3x^2-11xy+10y^2-7x+13y +k=0$ denotes a pair of straight lines, then the point of intersection of the lines is :
jeemain
eamcet
math
2010
q48
asked
Sep 27, 2013
by
meena.p
1
answer
The angle of elevation of a stationary cloud from a point 2500 m above a lake is $15^{\circ}$ and from the same point the angle of depressed its reflection in the lake is $45^{\circ}$. The height (in meters) of the cloud above the lake , given that $\cot 15^{\circ}=2+\sqrt {3}$, is
jeemain
eamcet
math
2011
q48
asked
Sep 23, 2013
by
meena.p
0
answers
If the equation $ax^2+2hxy+by^2+2gx+2fy+c=0$ represents a pair of straight lines, then the square of the distance of their point of intersection from the origin is
jeemain
eamcet
math
2013
q48
asked
Sep 16, 2013
by
meena.p
1
answer
A few drops of an organic compound (liquid) are added to schiff's reagent. A pink colour is produced. The organic compound is ................. .
jeemain
eamcet
chemistry
1991
fitb
q48
asked
Sep 12, 2013
by
meena.p
1
answer
A satellite is seen after each 8 hours over equator at a place on earth when its sence of rotation is opposite to the earth. The time interval after which it can be seen at the same place when sense of rotation of earth and satellite is same , will be
jeemain
physics
class11
unit6
gravitation
q48
medium
asked
Aug 22, 2013
by
meena.p
1
answer
An engine develops 10 KW of power How much time will it take to lift mass of 200 kg to a height of 40 m
jeemain
physics
class11
unit4
work-power-energy
q48
easy
asked
Jul 22, 2013
by
meena.p
1
answer
A car is going at a speed of 6m/s when it encouters a 15 m slope of angle $30 ^{\circ}$. The frictional coefficient between road and tyre is 0.5. The driver applies the brakes. The minimum speed of car with which he can reach the bottom is $(g=10 m/s^2)$
jeemain
physics
class11
unit3
laws-of-motion
q48
medium
asked
Jul 10, 2013
by
meena.p
1
answer
A particle is dropped from point A at a certain height from ground. It falls freely and passes through three points B,C and D with BC=CD.Time taken for particle to move from B to C is 2 seconds and from C to D is 1 second. Time taken to move from A to B is
jeemain
physics
class11
unit2
kinematics
motion-in-a-straight-line
kinematic-equation-for-accelerated-motion
q48
medium
asked
Jun 26, 2013
by
meena.p
1
answer
Resistance of metal is given by $R=\large\frac{V}{I}$. $V$ is potential difference, $I$ is current. In a circuit $V=(8 \pm 0.5)v$ and current is $I=(2 \pm 0.2)A$. what is value of resistance with percentage error?
jeemain
physics
class11
ch2
units-and-measurement
q48
easy
mock
accuracy-precision-and-errors-in-measurement
asked
Jun 19, 2013
by
meena.p
1
answer
The curve $y^{2}(x-2)=x^{2}(1+x)$ has
tnstate
class12
bookproblem
p234
objective
q48
modelpaper
oct-2008
oct-2009
asked
May 21, 2013
by
poojasapani_1
1
answer
If $\overrightarrow{a}=\overrightarrow{i}-\overrightarrow{2j}+\overrightarrow{3k}$ and $\overrightarrow{b}=\overrightarrow{3i}+\overrightarrow{j}+\overrightarrow{2k}$ then a unit vector perpendicular to $\overrightarrow{a}$ and $\overrightarrow{b}$ is
tnstate
class12
bookproblem
p269
objective
q48
modelpaper
oct-2006
asked
May 11, 2013
by
poojasapani_1
1
answer
A die is thrown again and again untill three sixes are obtained. Find the probability of obtaining third six in sixth throw of dice.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q48
p43
math
asked
Feb 5, 2013
by
meena.p
0
answers
Evaluate:\[\int \frac {1}{4+5 \cos x}dx\]
cbse
class12
additionalproblem
kvquestionbank2012
ch7
q48
p27
math
asked
Feb 3, 2013
by
meena.p
0
answers
Show that the height of the right circular cylinder of maximum volume that can be inscribed in a given right circular cone of height $h\; is\; h/3$
cbse
class12
additionalproblem
kvquestionbank2012
ch6
q48
p19
math
asked
Jan 29, 2013
by
meena.p
0
answers
If f(x) and g(x) are functions derivable in [a,b] such that f(a) = 4, f(b) = 10, g(a) =1, g(b) =3.Show that for a < c < b, we have $ f'(c)=3g'(c).$
cbse
class12
additionalproblem
kvquestionbank2012
ch5
q48
p15
math
asked
Jan 28, 2013
by
meena.p
1
answer
Let $\begin{vmatrix} 3 & y \\ x & 1 \end{vmatrix} =\begin{vmatrix} 3 & 2 \\ 4 & 1 \end{vmatrix} $ find the possible values of x and y, find the values if x = y.
cbse
class12
additionalproblem
kvquestionbank2012
ch3
q48
p10
math
sec-a
asked
Jan 24, 2013
by
meena.p
0
answers
$\tan^{-1}x+\tan^{-1}y=c$ is the general solution of the differential equation:
cbse
class12
ch9
sec-a
q48
p197
objective
exemplar
easy
math
asked
Jan 18, 2013
by
sreemathi.v
1
answer
$\Large \int\frac{\cos 2x-\cos 2\theta}{\cos x-\cos\theta}\normalsize dx$ is equal to\begin{array}{1 1}(A)\;2(\sin x+x\cos\theta)+C & (B)\;2(\sin x-x\cos\theta)+C\\(C)\;2(\sin x+2x\cos\theta)+C & (D)\;2(\sin x-2x\cos\theta)+C\end{array}
cbse
class12
ch7
q48
p166
objective
exemplar
sec-b
easy
math
asked
Jan 15, 2013
by
sreemathi.v
1
answer
$y=x(x-3)^2$ decreases for the values of x given by:
cbse
class12
ch6
sec-a
q48
p140
objective
exemplar
easy
math
asked
Jan 11, 2013
by
sreemathi.v
1
answer
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