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Recent questions tagged q119
Questions
Under critical conditions , the compressibility factor for a gas is
jeemain
chemistry
physical-chemistry
class11
unit5
states-of-matter
ideal-gas-equation
medium
q119
asked
Mar 3, 2014
by
sharmaaparna1
1
answer
Hydrolysis of neopentyl bromide under $SN_1$ process results into
jeemain
chemistry
class11
organic-chemistry
q119
medium
basic-organic-chemistry
ch12
asked
Feb 28, 2014
by
meena.p
1
answer
What would be the product in the below reaction:
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
phenols
q119
easy
asked
Feb 27, 2014
by
sreemathi.v
1
answer
Find the locus of intersection of two perpendicular tangent to the hyperbola $\large\frac{x^2}{a^2}-\frac{y^2}{b^2}$$=1$?
jeemain
math
class11
coordinate-geometry-conic -sections
hyperbola
ch11
q119
medium
asked
Feb 10, 2014
by
sreemathi.v
1
answer
Natural numbers are divided into groups $\;(1)\;,\;(2,3,4)\;,\;(5,6,7,8,9)\;.....$ Sum of first and last term of $n^{th}\;$ group will be :
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q119
asked
Jan 21, 2014
by
yamini.v
1
answer
Two hydrogen atoms collide head on and end up with zero kinetic energy.Each atom then emits a photon of wavelength 121.6nm.Which transition leads to this wavelength ?How fast were the hydrogen atoms traveling before collision?$R_H=1.097\times 10^7m^{-1}$ and $m_H=1.67\times 10^{-27}Kg$
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
quantum-mechanical-model
q119
difficult
asked
Jan 16, 2014
by
sreemathi.v
1
answer
If $ \overrightarrow r\times\overrightarrow b=\overrightarrow c\times\overrightarrow b$ and $\overrightarrow r.\overrightarrow a=0$, where $\overrightarrow a=2\hat i+3\hat j-\hat k,\:\overrightarrow b=3\hat i-\hat i+\hat k\:and\:\:\overrightarrow c=\hat i+\hat j+3\hat k$, then $\overrightarrow r=?$
jeemain
math
class12
ch10
vector-algebra
medium
vector-product
q119
asked
Jan 7, 2014
by
rvidyagovindarajan_1
1
answer
$\lim\limits_{x\to 0}\large\frac{\sin x}{x}$
jeemain
math
limits and derivatives
limits-of-trigonometric-functions
medium
q119
asked
Dec 31, 2013
by
sreemathi.v
1
answer
$ I= \int \limits_0^{\frac{\pi}{2}} \cos ^3 x dx$
jeemain
math
class12
ch7
integral-calculus
definite-integrals-as-limit-of-sum
easy
q119
asked
Dec 20, 2013
by
meena.p
1
answer
Thorn of Bougainvillea and tendril of cucurbita are examples of :
aipmt
modelpaper
biology
2008
q119
asked
Dec 18, 2013
by
thanvigandhi_1
1
answer
If 200 MeV of energy is released in the fission of 1 nucleus of $_{92}U^{235}$, the number of nuclei that undergo fission to produce energy of 10 kwh in one second :
jeemain
eamcet
physics
2010
q119
asked
Nov 18, 2013
by
thanvigandhi_1
1
answer
Two deuterium nuclei each of mass 'm' fuse together, to form a Helium nucleus, releasing an energy E . If 'c' is the velocity of light , the mass of Helium nucleus formed will be :
jeemain
eamcet
physics
2011
q119
asked
Nov 4, 2013
by
thanvigandhi_1
1
answer
$F_{pp}.F_{nn}$ and $F_{np}$ are the nuclear forces between proton- proton, neutron-neutron and neutron proton respectively . Then relation between them is
jeemain
eamcet
physics
2008
q119
asked
Oct 20, 2013
by
meena.p
1
answer
The thermo emf in lead-iron thermocouple with one junction at $0^{\circ}C$ , is given by $e=1784t-bt^2$ in volts, where $t^{\circ}C$ is the temperature of the other junction. The neutral temperature is $371.7^{\circ}C$. Then the value of b in $V/(^{\circ}C)^2$ is
jeemain
eamcet
physics
2012
q119
asked
Oct 20, 2013
by
thanvigandhi_1
1
answer
A rod of length l is held vertically stationary with its lower and located at a point 'P', on the horizontal plane. When the rod is released to topple about 'P', the velocity of the upper end of the rod with which it hits the ground is :
jeemain
eamcet
physics
2009
q119
asked
Oct 14, 2013
by
meena.p
1
answer
When the temperature difference between the junctions of a given thermocouple is $120^{\circ}C$ , the thermo emf is 30 m V. The temperature of hot junction is decreased by $20^{\circ}C$ and cold junction is increased by $6^{\circ}C$ . The percentage decrease in thermo emf is ( assume thermo emf is directly proportional to the temperature difference)
jeemain
eamcet
physics
2013
q119
asked
Oct 13, 2013
by
thanvigandhi_1
1
answer
Three particles $\alpha- particle,$ proton and deuteron are acceleration by the same potential difference. The velocities of them are in the ratio:
jeemain
eamcet
physics
2010
q119
asked
Oct 1, 2013
by
meena.p
0
answers
A constant voltage of $25\; V$ is applied to a series $L-R$ circuit at $t=0$, by closing a switch. What is the potential difference across the resistor and the inductor at time $t=0$?
jeemain
eamcet
physics
2011
q119
asked
Sep 24, 2013
by
meena.p
1
answer
The base current in a transistor circuit changes from $45\;\mu A$ to $140\;mu A$. Accordingly, the collector current changes from $0.2\;mA$ to $4.00\;mA$. The gain in current is
jeemain
eamcet
physics
2013
q119
asked
Sep 18, 2013
by
meena.p
1
answer
The value of $[3]+11([5]+11[6])$ is
tnstate
class12
bookproblem
p241
objective
q119
modelpaper
mar-2006
jun-2009
asked
May 27, 2013
by
poojasapani_1
1
answer
The length of the latus rectum of the rectangular hyperbola $xy=32$ is
tnstate
class12
bookproblem
p277
objective
q119
modelpaper
mar-2008
mar-2010
asked
May 14, 2013
by
poojasapani_1
1
answer
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