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Recent questions tagged q108
ASK
Densities of two gases of same molecular weight are in the ratio 1:2 and their temperature are in the ratio 2:1 then the ratio of their respective pressures is
jeemain
chemistry
physical-chemistry
class11
unit5
states-of-matter
ideal-gas-equation
medium
q108
asked
Mar 1, 2014
by
sharmaaparna1
1
answer
Which of the following groups are the following groups are ortho, para directing ? $ \\ (i) -NH_2 \quad\quad\quad (ii)\; -N-C -CH_3 \quad\quad\quad (iii)\;-CN \quad\quad\quad(iv)\; -SO_3H$
jeemain
chemistry
class11
organic-chemistry
q108
medium
basic-organic-chemistry
ch12
asked
Feb 28, 2014
by
meena.p
1
answer
Which of the following statement is correct?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
phenols
q108
easy
asked
Feb 26, 2014
by
sreemathi.v
1
answer
Find the general equation of rectangular hyperbola?
jeemain
math
class11
coordinate-geometry-conic -sections
hyperbola
ch11
q108
easy
asked
Feb 10, 2014
by
sreemathi.v
1
answer
If $f\;(x)$ is a two degree polynomial such that $f\;(3)=f\;(-3)$ and $a, b, c$ are in $AP$, then $f'(a)$, $f'(b)$ and $f'(c)$ are in
jeemain
math
class11
ch9
sequences-and-series
easy
arithmetic-progression
q108
asked
Jan 20, 2014
by
yamini.v
1
answer
Energy of the electron in H-atom is 1.50 times as much as energy as the minimum required for its escape (13.6eV) from the atom.Calculate the wavelength of the emitted electron.
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
bhor's-model
q108
difficult
asked
Jan 16, 2014
by
sreemathi.v
1
answer
If $\overrightarrow a,\overrightarrow b,\overrightarrow c$ are the sides $BC,CA\:and \:AB$ respectively of the $\Delta \:ABC$, then
jeemain
math
class12
ch10
vector-algebra
easy
addition-of-vectors
q108
asked
Jan 5, 2014
by
rvidyagovindarajan_1
1
answer
If $f(x)$ is continuous and differentiable function and $f(1/n)=0\forall n \geq 1$ and $n\in 1$ then
jeemain
math
ch13
continuity-and-differentiability
differentiability
medium
q108
asked
Dec 31, 2013
by
sreemathi.v
1
answer
Integrate : $\int \large\frac{1}{(4 \cos ^3 x -3 \cos x)^2}$$dx$
jeemain
math
class12
ch7
integral-calculus
integrals-as-an-anti-derivative
easy
q108
asked
Dec 19, 2013
by
meena.p
1
answer
Ascaris is characterized by :
aipmt
modelpaper
biology
2008
q108
asked
Dec 18, 2013
by
thanvigandhi_1
0
answers
A short bar magnet is arranged with its North pole pointing geographical North. It is found that the horizontal component of Earth's magnetic induction ($B_H$) is balanced by the magnetic induction of the magnet at a point which is at a distance of 20 cm from its center . The magnetic moment of the magnet is : $( If \: B_H = 4 \times 10^{-5}\: Wb\: m^{-2})$:
jeemain
eamcet
physics
2010
q108
asked
Nov 17, 2013
by
thanvigandhi_1
1
answer
A bar magnet of moment M gives a time period 'T' at a place in a vibration magnetometer. Four such similar bar magnets are placed in the frame one over the other out of which one magnet is placed with opposite polarity. The new time period is :
jeemain
eamcet
physics
2011
q108
asked
Nov 2, 2013
by
thanvigandhi_1
1
answer
The objective lens of an optical Instrument is an achromat combination with a focal length of 90 cm. The two lenses possess dispersive powers 0.024 and 0.036 respectively and are in contact with each other. Then their focal lengths are
jeemain
eamcet
physics
2012
q108
asked
Oct 20, 2013
by
thanvigandhi_1
1
answer
The magnetised wire of moment 'M' and length 'l' is bent in the form of semicircle of rdius 'r'. then its magnetic moment is
jeemain
eamcet
physics
2008
q108
asked
Oct 20, 2013
by
meena.p
1
answer
In the circuit shown below, a voltmeter of internal resistance R, When connected across B and C reads $\large\frac{100}{3}$ volts. Neglecting the internal resistance of the battery, the value of R is :
jeemain
eamcet
physics
2009
q108
asked
Oct 14, 2013
by
meena.p
1
answer
Match the following from table A, in the case of gases, with those in table B
jeemain
eamcet
physics
2013
q108
asked
Oct 12, 2013
by
thanvigandhi_1
1
answer
A short magnetic needle is pivoted in a uniform magnetic field of induction $1T.$ Now, simultaneously another magnetic field of induction $\sqrt 3 T$ is applied at right angles to the first field; the needle deflects through an angle $\theta'$ whose value is :
jeemain
eamcet
physics
2010
q108
asked
Sep 30, 2013
by
meena.p
1
answer
Which of the following statement are $true$ in the context of a Compound Microscope?
jeemain
eamcet
physics
2011
q108
asked
Sep 24, 2013
by
meena.p
1
answer
A deflection magnetometer is adjusted and a magnet moment M is placed on it in the usual manner and the observed deflection is $\theta$. The period of oscillation of the needed before setting to the deflection is $T$. When the magnet is removed, the period of oscillation of needle is $T_0$ before settling to $0^{\circ}-0^{\circ}$. If the earth's induced magnetic field is $B_{H},$ the relation between $T$ and $T_0$ is
jeemain
eamcet
physics
2013
q108
asked
Sep 18, 2013
by
meena.p
1
answer
The number of rows in the truth table of $\sim[p\land(\sim q)]$ is
tnstate
class12
bookproblem
p240
objective
q108
modelpaper
jun-2006
jun-2008
asked
May 24, 2013
by
poojasapani_1
1
answer
The line $5x-2y+4k=0 $ is a tangent to $4x^{2}-y^{2}=36$ then $k$ is
tnstate
class12
bookproblem
p275
objective
q108
modelpaper
oct-2006
asked
May 14, 2013
by
poojasapani_1
1
answer
Let A and B be two events.If P(A|B)=P(A),then A is______of B.
cbse
class12
ch13
q108
p286
fitb
exemplar
math
sec-a
asked
Jan 10, 2013
by
sreemathi.v
0
answers
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