Recent questions tagged q46

With respect to the conformers of ethane, which of the following statements is true ?

asked Oct 31, 2017 by meena.p

0 answers

The cause of potential barrier in a P-N junction diode is :

asked Oct 10, 2017 by priyanka.c

1 answer

A uniform magnetic field of $3000\;G$ is established along the positive z- direction . A rectangular loop of sides $10\;cm$ and $5\;cm$carries a current of $12\;A$. What is the torque on the loop in the given fig? What is the force in this case?

asked Jul 28, 2015 by meena.p

1 answer

A telephone cable at a place has four long straight horizontal wires carrying a current of $1.0 \;A$ in the same direction east to west. The earth magnetic field at the place is $ 0.39 \;G$ and the angle of dip is $35^{\circ}$. The magnetic declination is nearly zero. what are the resultant magnetic fields at points $ 4.0 \;cm$ above the cable ?

asked Jul 15, 2015 by meena.p

1 answer

What is potential gradient? State its SI unit

asked Jun 30, 2015 by meena.p

1 answer

An electron and a proton are brought hearer. What will be the effect on potential energy of system ?

asked Apr 24, 2015 by meena.p

1 answer

The equation of the hyperbola with vertices at $(0,\pm 6)$ and eccentricity $\large\frac{5}{3}$ is _ and its foci are ___

asked Oct 16, 2014 by sreemathi.v

1 answer

Which of the following statements regarding the structure aluminium chloride is correct ?

asked Jul 25, 2014 by thanvigandhi_1

1 answer

The standard deviation is __________ the mean deviation taken from the arithematic mean

asked Jul 9, 2014 by meena.p

1 answer

Fill in the blank for the following : A point moves so that square of its distance from the point (3, –2) is numerically equal to its distance from the line $ 5x – 12y = 3$ . The equation of its locus is ____.

asked Jul 8, 2014 by thanvigandhi_1

1 answer

The number of triangles which can be formed by using the vertices of a regular polygon of (n+3) sides is 220.Then n is equal to

asked Jun 20, 2014 by sreemathi.v

1 answer

The number of six digit numbers,all digits of which are odd is

asked May 16, 2014 by sreemathi.v

1 answer

The value of $\cos 12^{\large\circ}+\cos 84^{\large\circ}+\cos 156^{\large\circ}+\cos 132^{\large\circ}$ is

asked Apr 21, 2014 by sreemathi.v

1 answer

Let A and B be two events such that $P( \bar {P \cup B})=\large\frac{1}{6}$, $P(A \cap B)=\large\frac{1}{4}$ and $P(\bar {A})=\large\frac{1}{4}$, where $\bar {A}$ stands for the complement of the event A. Then the events A and B are :

asked Apr 7, 2014 by meena.p

1 answer

Which of the following is correct about H-bonding in nucleotide?

asked Mar 28, 2014 by thanvigandhi_1

1 answer

Which of the following is correct order of basisity of amines in gas phase?

asked Mar 26, 2014 by thanvigandhi_1

1 answer

Cyanide process is used for the extraction of

asked Mar 17, 2014 by meena.p

1 answer

In which of the following conditions, is work done on the gas?

asked Mar 17, 2014 by thanvigandhi_1

1 answer

Which of the following is not correctly matched?:

asked Mar 10, 2014 by thanvigandhi_1

1 answer

Which of the following species has two non-bonded electron pairs on the central atom?

asked Mar 6, 2014 by sreemathi.v

1 answer

Which of the following will have the molecular shape that is trigonal bipyramidal?

asked Mar 5, 2014 by sreemathi.v

1 answer

What would be the products in the following reaction:

asked Mar 3, 2014 by sreemathi.v

1 answer

In the below reaction the product of A is

asked Feb 21, 2014 by sreemathi.v

1 answer

The time for a certain volume of a gas A to diffuse through a small hole is 2 minute. If it takes 5.65 minute for oxygen to diffuse under simililar conditions. Find the molecular weight of A.

asked Feb 16, 2014 by sharmaaparna1

1 answer

A binary liquid solution is prepared by mixing n-heptane and ethanol.Which one of the following statements is correct regarding the behaviour of the solution?

asked Feb 13, 2014 by sreemathi.v

1 answer

Equation of normal for the parabola $y^2=4ax$ at point $(x_1,y_1)$ is

asked Feb 5, 2014 by sreemathi.v

1 answer

Which one of the following curves represents the solution of the initial value problem $y= D(e^x-1)$ where $D= \large\frac{dy}{dx}$ and $y(0)=50$

asked Feb 5, 2014 by meena.p

1 answer

Which of the following is true for the complexes $[Ni(CN)_4]^{2-}$ and $[NiCl_4]^{2-}$

asked Feb 3, 2014 by sreemathi.v

1 answer

For $a$ bivariate distribution $(x,y)$ if $ \Sigma x = 50 \: \Sigma y = 60 \: \Sigma xy = 350 \: \overline x = 5\: \overline y = 6 \: var \: x=4\: var \: y=9\: then \: r(x,y)=$

asked Feb 1, 2014 by thanvigandhi_1

1 answer

If two random variables $x$ and $y$ are connected by the relation $ 2x+y=3$ then $ r_{xy} = $

asked Feb 1, 2014 by thanvigandhi_1

1 answer

Ask Questions, Get Answers