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Recent questions tagged q170

Two flasks A and B have equal volumes. Flask A contains $H_2$ at $27^{\large\circ}C$ while B contains equal mass of $C_2H_6$ at $627^{\large\circ}C$. In which flask and by how many times are molecules moving faster ? Assume ideal gas nature for both .

asked Apr 2, 2014 by sharmaaparna1

1 answer

Which of the following has zero dipole moment ?

asked Mar 5, 2014 by meena.p

1 answer

An argon laser emits blue light with a wavelength of 488.0nm. How many photon are emitted by this laser in 2.00 sec,operating a power of 515 milliwatts?(one watt = 1J$S^{-1}$)

asked Feb 6, 2014 by sharmaaparna1

1 answer

Given $a_{n}=\displaystyle\sum_{k=1}^{n}\;\sqrt{1+\large\frac{1}{k^2}+\large\frac{1}{(k+1)^2}}\;$ the value of $\;a_{5}\;$ is

asked Jan 23, 2014 by yamini.v

1 answer

Let $f(x+y)=f(x)f(y)$ $\forall x,y\in R$. Suppose that $f(3)=3$ and $f'(0)=11$, then $f'(3)$ is given by

asked Jan 6, 2014 by sreemathi.v

1 answer

Integrate : $\int \large\frac{1}{x+\sqrt x}$$dx$

asked Dec 24, 2013 by meena.p

1 answer

Quercus species are the dominant component in :

asked Dec 21, 2013 by thanvigandhi_1

0 answers

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