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Recent questions tagged q177

A gas filled freely collapsible balloon is pushed from the surface level of lake to a depth of 100 metre . Calculate what per cent of its original volume , the balloon finally have ? Assume ideal gas nature .

asked Apr 3, 2014 by sharmaaparna1

1 answer

The IUPAC name of $CH_3COCH(CH_3)_2$ is

asked Mar 5, 2014 by meena.p

1 answer

Imagine an atom made up of proton and a hypothetical particle of double the mass of electron but having the same charge as the electron . Apply the Bohr's atomic model and consider all possible transitions of this hypothetical particle to the first excited level. The largest wavelength photon that will be emitted has wavelength $\lambda$ (given in terms of the Rydberg constant R for the hydrogen atom) equal to.

asked Feb 7, 2014 by sharmaaparna1

1 answer

Find the sum of the numbers in the $n^{th}$ set: $(1)$, $(2,3)$, $(4,5,6)$, $(7,8,9,10)$.....

asked Jan 23, 2014 by yamini.v

1 answer

$f(x)=\left\{\begin{array}{1 1}\large\frac{1-\cos 4x}{x^2}&x < 0\\a&x=0\\\large\frac{\sqrt x}{\sqrt{[16+\sqrt x]-4}}&x > 0\end{array}\right.$If the function be continuous at $x=0$ then $a=$

asked Jan 6, 2014 by sreemathi.v

1 answer

Integrate : $\int \large\frac{x^2}{(x \sin x + \cos x)^2}$$dx$

asked Dec 24, 2013 by meena.p

0 answers

The table below gives the populations ( in thousands ) of ten species ( A - J ) in four areas ( a - d ) consisting of the number of habitats given within brackets against each. Study the table and answer the question which follows :

asked Dec 21, 2013 by thanvigandhi_1

0 answers

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