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Recent questions tagged q112
Questions
If P is the pressure of gas, then the kinetic energy per unit volume of the gas is
jeemain
chemistry
physical-chemistry
class11
unit5
states-of-matter
kinetic-molecular-theory-of-gases
medium
q112
asked
Mar 2, 2014
by
sharmaaparna1
1
answer
The statement which are correct regarding benzene are : (i) It has $12 \sigma$ and $3 \pi$ bonds. (ii) There is delocalisation of $\pi$ - electrons. (c) $C-C$ bond distance is $1.39 A^{\circ}$ . (d) $C-C$ bond distance is $1.39 A^{\circ}$ and $1.54\;A^{\circ}$ alternatively .
jeemain
chemistry
class11
organic-chemistry
q112
medium
basic-organic-chemistry
ch12
asked
Feb 28, 2014
by
meena.p
1
answer
Which one of the following reagents is used in the below reaction?
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
phenols
q112
easy
asked
Feb 26, 2014
by
sreemathi.v
1
answer
For what value of $\lambda$ does the line $y=2x+\lambda$ touches the hyperbola $16x^2-9y^2=144$?
jeemain
math
class11
coordinate-geometry-conic -sections
hyperbola
ch11
q112
medium
asked
Feb 10, 2014
by
sreemathi.v
1
answer
Sum of series $\;\sum_{r=1}^{n}\;r\;log\;\frac{r+1}{r}$ is :
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q112
asked
Jan 20, 2014
by
yamini.v
1
answer
The angular momentum of an electron in a Bohr's orbit of H-atom is $4.2178\times 10^{-34}Kg-m^2/s$.Calculate the spectral line emitted when electron falls from this level to next lower level.
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
bhor's-model
q112
difficult
asked
Jan 16, 2014
by
sreemathi.v
1
answer
If $\overrightarrow a,\overrightarrow b$ are mutually $\perp$ unit vectors and the vectors $x\overrightarrow a+x\overrightarrow b+z(\overrightarrow a\times\overrightarrow b ),\:\:\overrightarrow a+(\overrightarrow a\times\overrightarrow b),\:\:and\:\:z\overrightarrow a+z\overrightarrow b+y(\overrightarrow a\times\overrightarrow b)$ lie in a plane then $Z$ is ?
jeemain
math
class12
vector-algebra
ch10
medium
vector-product
q112
asked
Jan 6, 2014
by
rvidyagovindarajan_1
1
answer
If $f$ is a real valued differentiable function satisfying $\mid f(x)-f(y)\mid\leq (x-y)^2,x,y\in R$ and $f(0)=0$ then $f(1)$ equals
jeemain
math
ch5
continuity-and-differentiability
differentiability
medium
q112
asked
Dec 31, 2013
by
sreemathi.v
1
answer
Integrate : $\int \log (\sin x ) \cos x dx$
jeemain
math
class12
ch7
integral-calculus
integration-by-subsitution
easy
q112
asked
Dec 19, 2013
by
meena.p
1
answer
A competitive inhibitor of succinic dehydrogenase is :
aipmt
modelpaper
biology
2008
q112
asked
Dec 18, 2013
by
thanvigandhi_1
0
answers
The current voltage graph for a given metallic wire at two different temperatures $T_1\: and \: T_2$ is shown in the figure. The temperature $T_1\: and \: T_2$ are related as :
jeemain
eamcet
physics
2010
q112
asked
Nov 18, 2013
by
thanvigandhi_1
1
answer
A battery of emf 'E' and internal resistance 'r' is connected to a resistor of resistance $'r_1'$ and Q Joules of heat is produced in a certain time 't'. When the same battery is connected to another resistor of resistance $'r_2'$ the same quantity of heat is produced in the same time 't'. Then, the value of 'r' is :
jeemain
eamcet
physics
2011
q112
asked
Nov 2, 2013
by
thanvigandhi_1
1
answer
For a transistor to work as an amplifier
jeemain
eamcet
physics
2012
q112
asked
Oct 20, 2013
by
thanvigandhi_1
1
answer
When a battery connected across a resistor of $416 \Omega$, the voltage across the resistor is 12 V. When the same battery is connected across a resistor of $10 \Omega$, Voltage across it is 11V. The internal resistance of the battery in Ohms is
jeemain
eamcet
physics
2008
q112
asked
Oct 20, 2013
by
meena.p
1
answer
An infinitely long straight conductor is bent into the shape as shown below. It carries a current of i Amps, and the circular loop is R meters. Then the magnitude of magnetic induction at the center of the circular loop is :
jeemain
eamcet
physics
2009
q112
asked
Oct 14, 2013
by
meena.p
1
answer
A pnp transistor is used in common emitter mode in an amplifier circuit. When base current is changed by an amount $ \Delta I_B$, the collector current changes by 4 mA. If the current amplification factor is 60, then the value of $ \Delta I_B$ is
jeemain
eamcet
physics
2013
q112
asked
Oct 12, 2013
by
thanvigandhi_1
1
answer
Charge passing through a conductor of cross -section area $A=0.3 m^2$ is given by $q=3t^2+5t+2$ in coulombs, where 't't is in seconds. What is the value of drift velocity at $t=2$ sec. Given $n= 2 \times 10^{25}/mn^3$:
jeemain
eamcet
physics
2010
q112
asked
Sep 30, 2013
by
meena.p
1
answer
Some physical quantities are given in the List I and the related units are given in the List II.Match the correct pairs in the list:
jeemain
eamcet
physics
2011
q112
asked
Sep 24, 2013
by
meena.p
1
answer
The ends of an element of zinc are kept at a small temperature difference $ \Delta T$ and a small current (I) is passed through the wire. Then, the heat developed per unit time
jeemain
eamcet
physics
2013
q112
asked
Sep 18, 2013
by
meena.p
1
answer
$p\leftrightarrow q$ is equivalent to
tnstate
class12
bookproblem
p240
objective
q112
modelpaper
mar-2006
mar-2007
asked
May 24, 2013
by
poojasapani_1
1
answer
The product of the perpendiculars drawn from the point $(8 ,0)$ on the hyperbola to its asymptotes is $\large\frac{x^{2}}{64}-\frac{y^{2}}{36}=$$1$ is
tnstate
class12
bookproblem
p276
objective
q112
asked
May 14, 2013
by
poojasapani_1
1
answer
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