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Recent questions tagged q148

A gas occupies one litre under atmosphere pressure. What will be the volume of the same amount of gas under 750mm of Hg at the same temperature?

asked Mar 26, 2014 by sharmaaparna1

1 answer

Which of the following compounds exhibits stereo isomerism

asked Mar 4, 2014 by meena.p

1 answer

Consider the following statements \[\] Statement 1: Voltmeter is much better than a potentiometer for measuring the emf of the cell \[\] Statement 2: A potentiometer draws no current while measuring the emf of the cell

asked Feb 16, 2014 by thanvigandhi_1

1 answer

Find the equation of chord of contact of tangent drawn from a point $(x_1,y_1)$ to the circle $x^2+y^2=a^2$?

asked Feb 11, 2014 by sreemathi.v

1 answer

A hydrogen like atom (atomic No. Z) is in a higher excited state of quantam number n. This excited atom can make a transition to the first excited state by successively emitting two photons of energies 10.20 eV and 17.00 eV respectively. alternatively the atom from the same excited state can make a transition to the second excited state by successively emitting two photons of energy 4.25eV and 5.95 eV respectively. Determine the values of n and Z.

asked Jan 28, 2014 by sharmaaparna1

1 answer

If a,b,c,d are positive real number , then least value of $\;(a+b+c+d)\;(\frac{1}{a}+\frac{1}{b}+\frac{1}{c}+\frac{1}{d})\;$ is :

asked Jan 22, 2014 by yamini.v

1 answer

The function given by $y=||x|-1|$ is differentiable for all real numbers except the points

asked Jan 3, 2014 by sreemathi.v

1 answer

Integrate : $\int\large\frac{\log _e \tan ^{-1} (3x)}{4 (1+gx^2)}$

asked Dec 23, 2013 by meena.p

1 answer

Which one of the following is the correct difference between Rod cells and Cone cells of our retina ?

asked Dec 21, 2013 by thanvigandhi_1

0 answers

Ozone layer is present in :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Identify the order in which the spin only magnetic moment ( in BM) increases for the following four ions :

asked Nov 9, 2013 by thanvigandhi_1

0 answers

The reaction that gives $CO_2$ as one of the product is

asked Oct 24, 2013 by thanvigandhi_1

0 answers

Among the following compounds, which one is not responsible for depletion of layer?

asked Oct 21, 2013 by meena.p

1 answer

Parkinson's disease is linked to abnormalities in the level of dopamine in the body. The structure of dopamine is :

asked Oct 15, 2013 by meena.p

1 answer

The energy required to overcome the attractive forces on the electrons, w, of some metals is listed below . The number of metals showing photoelectric effect when light of 300 nm wavelength falls on it is :

asked Oct 14, 2013 by thanvigandhi_1

1 answer

The acceptable level of carbon monoxide gas (CO) in the atmosphere in ppm level is :

asked Oct 2, 2013 by meena.p

1 answer

Refer the below equation:

asked Sep 25, 2013 by meena.p

1 answer

Cataract and skin cancer are caused by _________ .

asked Sep 19, 2013 by meena.p

2 answers

The random variable $X$ follows normal distribution $f(x)=ce\large\frac{-1/2(x-100)^{2}}{25}$ Then the value of $c$ is

asked Jun 3, 2013 by poojasapani_1

1 answer

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