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Recent questions tagged q187
ASK
The average kinetic energy of 1.6 g $CH_4$ molecules at $27^{\large\circ}C$ is:
jeemain
chemistry
states-of-matter
kinetic-molecular-theory-of-gases
unit5
class11
difficult
q187
asked
Apr 7, 2014
by
sharmaaparna1
1
answer
The function $f(x)=\large\frac{|x|}{x^2+2x}\qquad$$ x\neq 0$ and $f(0)=0$ is not continuous at $x=0$ because
cl23078
jeemain
math
ch13
limits and derivatives
introduction to limits
difficult
q187
asked
Mar 26, 2014
by
balaji
1
answer
which among the following is likely to show geometrical isomerism ?
jeemain
chemistry
class11
organic-chemistry
q187
easy
basic-organic-chemistry
ch12
asked
Mar 5, 2014
by
meena.p
1
answer
Rutherford proposed the atomic model after his most striking experiment on $\alpha$ – scattering leading to discovery of nucleus. Bohr later on modified the atomic model on the basis of Planck’s quantum theory of light and proposed the concept of stationary circular orbits of quantised energy $\large\frac{nh}{2\pi}$. The collection of fine lines in line spectrum led Sommerfeld to gave the idea of elliptical orbits. He successfully explained the existence of subshells and their number in a shell. The angular momentum of subshells was propped as $\sqrt{l(l+1}\times\large\frac{h}{2\pi}$. The emission of a spectral line in atomic spectra was supposed to be due to the jump of electron from one energy level to other. An oil drop has $-6.39\times10^{-19}$ coulomb charge. The number of electrons in this oil drop is
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
quantum-mechanical-model
easy
q187
asked
Feb 8, 2014
by
sharmaaparna1
1
answer
$a_{1}=50$ and $a_{1}+a_{2}+....+a_{n}=n^2a_{n}$ $\forall\;n \geq 1$, value of $a_{50}$ equal to
jeemain
math
class11
ch9
sequences-and-series
difficult
sum-of-n-terms-of-special-series
q187
asked
Jan 23, 2014
by
yamini.v
1
answer
The range of the function $f(x) = \large\frac{x^2+x+2}{x^2+x+1}$, $x \in (-\infty, \infty)$ is:
jeemain
math
ch2
relations and functions
functions
difficult
q187
asked
Jan 6, 2014
by
sreemathi.v
1
answer
Integrate : $\int \large\frac{1- x \sin x +\cos x }{x(1- \cos x )}$$dx$
jeemain
math
class12
ch7
integral-calculus
integration-by-subsitution
easy
q187
asked
Dec 30, 2013
by
meena.p
1
answer
Match the disease in column I with the appropriate items ( pathogen / prevention / treatment ) in column II.
aipmt
modelpaper
biology
2008
q187
asked
Dec 21, 2013
by
thanvigandhi_1
0
answers
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