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Recent questions tagged q169

The critical constant for water are $374^{\large\circ}C$ 218 atm and 0.0566 litre $mol^{-1}$. Calculate a , b and R.

asked Apr 2, 2014 by sharmaaparna1

1 answer

Increasing order of basic nature of $NH_3(I), CH_3NH_2(II) $ and -NH_2(III)( $ is

asked Mar 5, 2014 by meena.p

1 answer

The energy required for the ionisation of a certain atom is $3.44\times10^{-18}J$. The absorption of a photon of unknown wavelength ionises the atom and ejects an electron with velocity $1.03\times10^6$ m/sec. Calculate the wavelength of the incident radiation.

asked Feb 5, 2014 by sharmaaparna1

1 answer

$a,x,y,z,b$ are in AP such that $x+y+z=15$ and $a$, $\alpha$, $\beta$, $y$, $b$ are in HP such that $\large\frac{1}{\alpha}+\large\frac{1}{\beta}+\large\frac{1}{\gamma}=\large\frac{5}{3}$. Find $a$, $(a > b)$.

asked Jan 23, 2014 by yamini.v

1 answer

If $\alpha$ is a repeated root of $ax^2+bx+c=0$, then $\lim\limits_{x\to \alpha}\large\frac{\sin(ax^2+bx+c)}{(x-\alpha)^2}$ =

asked Jan 6, 2014 by sreemathi.v

1 answer

Integrate : $\int e^x (ae^x+b)^n dx$

asked Dec 24, 2013 by meena.p

1 answer

Which one of the following is the correct percentage of the two ( out of the total of 4 ) green house gases that contribute to the total global warming ?

asked Dec 21, 2013 by thanvigandhi_1

0 answers

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