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Recent questions tagged q22
Questions
Evaluate the given limit $ \lim\limits_{x \to \large\frac{\pi}{2}} \large\frac{\tan \: 2x}{ x - \Large\frac{\pi}{2}}$
math
cbse
class11
ch13
limits-and-derivatives
bookproblem
limits
exercise13-1
p301-303
q22
asked
Apr 5, 2014
by
thanvigandhi_1
1
answer
Find the $20^{th}$ term of the series $2\times 4+4\times 6+6\times 8+..........$
cbse
class11
ch9
bookproblem
misc
sec-a
easy
q22
math
sequences-and-series
asked
Apr 2, 2014
by
rvidyagovindarajan_1
1
answer
A nucleoside is made of
jeemain
aipmt
chemistry
biomolecules
organic-chemistry
cbse
class12
unit16
easy
q22
asked
Mar 27, 2014
by
thanvigandhi_1
1
answer
Among the following the strongest base is
jeemain
aipmt
chemistry
nitrogen
organic-chemistry
cbse
class12
unit13
q22
medium
asked
Mar 22, 2014
by
thanvigandhi_1
1
answer
Using the property of determinants and without expanding, prove that \[ \begin{vmatrix} a^2&bc&ac+c^2 \\ a^2+ab&b^2&ac \\ ab&b^2+bc&c^2 \end{vmatrix} = 4a^2b^2c^2\]
cbse
class12
modelpaper-2014
65-2-3
sec-b
q22
math
asked
Mar 21, 2014
by
rvidyagovindarajan_1
1
answer
The chemical process in the production of iron from haematite are involved
jeemain
cbse
chemistry
class12
unit6
general-principals-and-processes-of-isolation-of-metals
q22
medium
asked
Mar 17, 2014
by
meena.p
1
answer
For a natural process in any isolated system
jeemain
physics
thermodynamics
cbse
class11
class12
q22
easy
asked
Mar 15, 2014
by
thanvigandhi_1
1
answer
Which of the following is the correct order of O-O bond length in $O_2,H_2O_2$ and $O_3$ is :
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
molecular-orbital-theory
q22
difficult
asked
Mar 10, 2014
by
sreemathi.v
1
answer
Which is used for the formation of Nylon-66?
jeemain
aipmt
chemistry
cbse
unit5
class12
organic-chemistry
polymers
q22
easy
asked
Mar 6, 2014
by
thanvigandhi_1
1
answer
The number of $\sigma$ and $\pi$ bonds are in $CO_2$ molecules
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
valence-bond-theory
q22
easy
asked
Mar 5, 2014
by
sreemathi.v
1
answer
If the $p^{th},q^{th}\:\:and\:\:r^{th}$ terms of G.P.are $a,b\:\:and\:\:c$ respectively then prove that $a^{q-r}.b^{r-p}.c^{p-q}=1$
cbse
class11
ch9
bookproblem
exercise9-3
sec-b
medium
q22
math
sequences-and-series
asked
Mar 1, 2014
by
rvidyagovindarajan_1
1
answer
In the below reaction B is mainly
jeemain
chemistry
unit13
class12
organic-chemistry
nitrogen
amines
q22
medium
asked
Feb 28, 2014
by
sreemathi.v
1
answer
The electromagnetic waves that stimulate blood circulation are
jeemain
aipmt
physics
cbse
class12
ch8
electromagnetic-waves
q22
easy
asked
Feb 26, 2014
by
thanvigandhi_1
1
answer
Statement 1: Molecules that are not super imposable on their mirror images are chiral. Statement -2 : All chiral molecules have chiral centres.
jeemain
chemistry
class11
organic-chemistry
q22
difficult
basic-organic-chemistry
ch12
asked
Feb 21, 2014
by
meena.p
1
answer
Refer the below reaction:
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q22
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
Positive deviations from ideal gas behaviour takes place because
jeemain
chemistry
physical-chemistry
class11
states-of-matter
ideal-gas-equation
easy
q22
asked
Feb 14, 2014
by
sharmaaparna1
1
answer
If the points (1,1) and (3,5) were to be on the opposite side of the line $3x-5y+a=0$.Find the value of a?
jeemain
math
class11
coordinate-geometry
straight-lines
distance-of-a-point-from-a-line
ch10
q22
medium
asked
Feb 4, 2014
by
sreemathi.v
1
answer
The differential equation of the following equation $y=ae^{2x} +be^{-3 x} +ce^{x}$
jeemain
math
class12
ch9
differential-equations
linear-differential-equations
q22
easy
asked
Feb 3, 2014
by
meena.p
1
answer
The effective atomic number of Cr in $[Cr(NH_3)_6]Cl_3$ is
jeemain
chemistry
class12
coordination-compounds
unit9
q22
easy
asked
Jan 31, 2014
by
sreemathi.v
1
answer
If $3\tan^{-1}x+4\cot^{-1}x=2\pi$ then $ x$ =?
cbse
class12
ch2
q22
p37
objective
exemplar
easy
sec-a
math
jeemain
trigonometry
inverse-trignometric-functions
asked
Jan 28, 2014
by
rvidyagovindarajan_1
1
answer
Which of the following will have highest hydration energy?
jeemain
chemistry
class11
s-block-elements
unit10
q22
easy
asked
Jan 27, 2014
by
sreemathi.v
1
answer
If p,q,r are simple propositions, then $(p \wedge q) \wedge (q \wedge r)$ is true, then
jeemain
math
mathematical-reasoning
class11
ch14
difficult
implications-(tautology-contradiction.)
q22
asked
Jan 23, 2014
by
thanvigandhi_1
1
answer
Pure water can be obtained from sea water by
jeemain
chemistry
class11
hydrogen
unit9
q22
easy
asked
Jan 23, 2014
by
sreemathi.v
1
answer
Identify the converse of the statement: If a parallelogram is a square then it is a rhombus?
jeemain
math
mathematical-reasoning
class11
ch14
medium
statements
q22
asked
Jan 20, 2014
by
thanvigandhi_1
1
answer
The region which is greatly affected by air pollution is
jeemain
chemistry
class11
environmental-chemistry
unit14
q22
easy
asked
Jan 20, 2014
by
sreemathi.v
1
answer
Identify the quantifier in the sentence: There exists a number which is equal to its square.
jeemain
math
mathematical-reasoning
class11
unit14
easy
implications-(tautology-contradiction.)
q22
asked
Jan 17, 2014
by
thanvigandhi_1
1
answer
If $P(A)=P(B)=x\: and \: P(A \cap B ) = P(A' \cap B')=\large\frac{1}{3}$ then x is equal to
jeemain
math
cbse
class12
probability
difficult
q22
asked
Jan 16, 2014
by
thanvigandhi_1
1
answer
A pair of dice is thrown independently three times. The probability of getting a score of exactly 9 twice is
jeemain
math
cbse
class12
probability
medium
q22
asked
Jan 15, 2014
by
thanvigandhi_1
1
answer
The work function for a metal is 4eV.To emit a photon-electron of zero velocity from the surface of the metal,the wavelength of incident light should be
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
quantum-mechanical-model
q22
easy
asked
Jan 10, 2014
by
sreemathi.v
1
answer
A 6.90M solution of KOH in water has 30% by weight of KOH. Calculate the density of the solution.
sat
chemistry
stoichiometry and the mole concept
jeemain
physical-chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q22
difficult
asked
Jan 7, 2014
by
sreemathi.v
1
answer
A fair coin is tossed 10 times. The probability that the coin shows head exactly 4 times is
jeemain
math
cbse
class12
probability
bionomial-distribution
easy
q22
asked
Jan 4, 2014
by
thanvigandhi_1
1
answer
Find 3 numbers in AP whose sum is 18 and the sum of its cube is 972.
jeemain
math
class11
ch9
sequences-and-series
easy
arithmetic-progression
q22
asked
Jan 1, 2014
by
yamini.v
1
answer
A line makes angle $\theta$ with $x\:\:and\:\:z\:\:axis.$ If it makes angle $\beta$ with $y\; axis$, where $sin^2 \beta=3sin^2\theta$, then $ cos^2\theta=?$
jeemain
math
class12
ch11
3d-geometry
equations-of-lines
medium
q22
asked
Dec 28, 2013
by
rvidyagovindarajan_1
1
answer
$\lim\limits_{n\to\infty}\large\frac{1+2^4+3^4+......n^4}{n^5}$ - $\lim\limits_{n\to\infty}\large\frac{1+2^3+3^3+......n^3}{n^5}$ =
jeemain
math
classs12
ch13
integrals
definite integrals as limits of sum
easy
q22
asked
Dec 23, 2013
by
sreemathi.v
1
answer
Two periodic waves of intensities $ I_1 \: and \: I_2$ pass through a region at the same time in the same direction. The sum of the maximum and minimum intensities is :
aipmt
modelpaper
physics
2008
q22
asked
Dec 15, 2013
by
thanvigandhi_1
0
answers
Refer to the below equation :
jeemain
chemistry
unit8
redox-reactions-and-electrochemistry
q22
easy
asked
Dec 11, 2013
by
sreemathi.v
1
answer
Which of the following statement is false?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
molecular-orbital-theory
q22
medium
asked
Dec 9, 2013
by
sreemathi.v
1
answer
Which one of the following is not associated with ascent of sap in tall trees ?
jeemain
eamcet
biology
2002
q22
asked
Dec 8, 2013
by
thanvigandhi_1
1
answer
An alkyne on treatment with cold alkaline $KMnO_4$ gives $2-oxo$ propanal. Alkyne is
jeemain
chemistry
unit21
organic-chemistry
q22
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 5, 2013
by
sreemathi.v
1
answer
Which order are correct regarding stability?
jeemain
chemistry
unit21
organic-chemistry
q22
medium
basic-organic-chemistry
class11
ch12
asked
Dec 3, 2013
by
sreemathi.v
1
answer
Dharwar American variety of cotton is the product of
jeemain
eamcet
biology
2001
q22
asked
Dec 1, 2013
by
thanvigandhi_1
1
answer
Structure of $HClO_4$ is
jeemain
chemistry
unit15
p-block-elements
q22
easy
asked
Nov 27, 2013
by
sreemathi.v
1
answer
If the system of equations $x+2y-3z=1$, $(p+2)z=3$, $(2p+1)y+z=2$ is inconsistent, then the value of $p$ is
jeemain
math
class12
ch4
determinants
q22
system-of-linear-equations
difficult
asked
Nov 26, 2013
by
sreemathi.v
1
answer
Synchronous flowering in pineapple can be achieved by the application of :
jeemain
eamcet
biology
2000
q22
asked
Nov 24, 2013
by
thanvigandhi_1
0
answers
Virus causes swollen shoot disease in
jeemain
eamcet
biology
1999
q22
asked
Nov 22, 2013
by
thanvigandhi_1
0
answers
The value of $\begin{vmatrix}x&p&q\\p&x&q\\p&q&x\end{vmatrix}$ is
jeemain
math
class12
ch3
matrices
q22
operations-on-matrices
medium
asked
Nov 22, 2013
by
sreemathi.v
1
answer
If the system of equations $x+ay=0,az+y=0$ and $ax+z=0$ has infinite solution then the value of a is
jeemain
math
ch4
class12
determinants
q22
system-of-linear-equations
easy
asked
Nov 20, 2013
by
sreemathi.v
1
answer
An iron load of 2 kg is suspended in air from the free end of a sonometer wire of length 1 m. A tuning fork is : (Specific gravity of iron=8)
jeemain
eamcet
physics
2004
q22
asked
Nov 20, 2013
by
meena.p
0
answers
$ I_2 + I^- \rightleftharpoons I^-_3 $ This reaction is set-up in aqueous medium. Initially we have 1 mole of $I_2$ and 0.5 mole of $I^-$ in 1 L flask. After equilibrium is reached, excess of $AgNO_3$ gave 0.25 mole of yellow ppt. Equilibrium constant is
jeemain
aipmt
chemistry
equilibrium
medium
q22
biology
asked
Nov 15, 2013
by
mosymeow_1
1
answer
If $\alpha$ is a non-real root of $x^6=1$, then $\large\frac{\alpha ^5+ \alpha ^3+ \alpha +1}{\alpha ^2+1}$ is equal to :
jeemain
eamcet
math
2005
q22
asked
Nov 11, 2013
by
meena.p
1
answer
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