Recent questions tagged q110

Assume the centre of sun to consists of gases whose average molecular mass is $2.0\;u$. The density and the pressure of the gas are respectively, $1.3g\;cm^{-3} and\; 1.12\times10^9$ atm. What is the approximate temperature of the Sun?

asked Mar 1, 2014 by sharmaaparna1

1 answer

Which of the following will undergo a connizzara reaction ?

asked Feb 28, 2014 by meena.p

1 answer

What would be the major product in the following reaction?

asked Feb 26, 2014 by sreemathi.v

1 answer

The foci of a hyperbola coincide with the foci of the ellipse $\large\frac{x^2}{25}+\frac{y^2}{9}$$=1$.Find the equation of the hyperbola if its ecentricity is 3?

asked Feb 10, 2014 by sreemathi.v

1 answer

Sum of $n$ terms of series $S$ = $1$ + $2 \;(1+\frac{1}{n})$ + $3(1+\frac{1}{n})^2$ + ....is given by

asked Jan 20, 2014 by yamini.v

1 answer

The vapours of Hg absorb some electrons accelerate by a potential difference of 4.5volts as a result of which light is emitted .If the full energy of single incident electron is supposed to be converted into light emitted by single Hg atom,find the wave number $\big(\large\frac{1}{\lambda}\big)$ of the light.

asked Jan 16, 2014 by sreemathi.v

1 answer

If $\overrightarrow a,\overrightarrow b,\overrightarrow c$ are any three vectors such that $\overrightarrow a=\overrightarrow b+\overrightarrow c$ and $\overrightarrow b$ is $\perp$ to $\overrightarrow c$, then ?

asked Jan 6, 2014 by rvidyagovindarajan_1

1 answer

$f(x)$ and $g(x)$ are two differentiable function on [0,2] such that $f''(x)-g''(x)=0$. $f'(1)=2g'(1)=4f(2)=3g(2)=9$ then $f(x)-g(x)$ at $x=\large\frac{3}{2}$ is

asked Dec 31, 2013 by sreemathi.v

1 answer

Integrate : $ \int e^{ \log a }. x^e. dx$

asked Dec 19, 2013 by meena.p

1 answer

Celulose is the major componet of cell walls of :

asked Dec 18, 2013 by thanvigandhi_1

0 answers

Four charges of magnitude - 'Q' are placed at the four corners of a square and a charge 'q' is at its centre. If the system is in equilibrium the value of 'q' is :

asked Nov 17, 2013 by thanvigandhi_1

1 answer

Consider a parallel plate capacitor of capacity 10 $ \mu\: F$ filled with air. When the gap between the plates is filled partly with a dielectric constant 4, as shown in figure.The new capacity of the capacitor is ( A is the area of plates ) :

asked Nov 2, 2013 by thanvigandhi_1

2 answers

If the liquid in a U tube rises to a high level in the limb placed between poles of an electromagnet, then the liquid is

asked Oct 20, 2013 by thanvigandhi_1

1 answer

Two charges $+q$ and $-q$ are kept apart. Then at any point on the right bisector of line joining the two charges.

asked Oct 20, 2013 by meena.p

1 answer

The following series $L-C-R$ circuit, when driven by an e.m.f source of angular frequency 70 Kilo-radius per second, the circuit effectively behaves like :

asked Oct 14, 2013 by meena.p

1 answer

The temperature at the two ends A and B of a rod of length 25 cm and circular cross section are $ 100^{\circ}C \: and \: 0^{\circ}C$ respectively. In the steady state the temperature at a point 10 cm from the end B is ( Ignore loss of heat from curved surface of the rod )

asked Oct 12, 2013 by thanvigandhi_1

1 answer

Two capacitors of capacities $1 \; \mu F$ and $C \;\mu F$ are connected in series and the combination is charged to a potential difference of $120 \;V$ If the charge on the combination is $80\; \mu C$, the energy stored in the capacitor of capacity C in micro- Joules is :

asked Sep 30, 2013 by meena.p

1 answer

In the Young's double slit experiment, the resultant intensity at a point on the screen is $75 \%$ of the maximum intensity of the bright fringe. Then the phase difference between the two interfering rays at that point is :

asked Sep 24, 2013 by meena.p

1 answer

In the circuit shown in the figure, the current $'I'$ is

asked Sep 18, 2013 by meena.p

1 answer

Which of the following is a tautology?

asked May 24, 2013 by poojasapani_1

1 answer

The angle between the asymptotes to the hyperbola $\large\frac{x^{2}}{16}-\frac{y^{2}}{9}=$$1 $ is

asked May 14, 2013 by poojasapani_1

1 answer

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