Recently Active Questions

An element crystallizes into a structure which may be described by a cubic type of unit cell having one atom in each corner of the cube and two atoms on one of its face diagonals. If the volume of this unit cell is 24 x 10-24 ...

If two opposite vertices of square are (3,4) and (1,-1) then the other two vertices are ? ...

*Image* *Image* ...

Give reasons why equal volumes of nitrogen and ozone under same conditions of temperature and pressure have different number of atoms. ...

At time t=0 string A is cut, then what will be the maximum compression in the spring if spring constant is K.(Assume surfaces are smooth and initially spring was at its natural length) *Image* ...

Assuming that Hund's Rule is violated, the bond order and magnetic nature of the diatomic molecule B2 is a.1 and diamagnetic b.0 and diamagnetic c.1 and paramagnetic d.0 and paramagnetic ...

What is the capacitance of a capacitor having plates of area A1 & A2 at a distance d? Please post explanation as well. ...

Mass of each block is 1 Kg. Find the minimum value of F so that sliding occurs at both the surfaces. *Image* ...

Why is cyclopropane forming from an alkene in Simmons Smith reaction? Isn't dat increasing d strain...i mean isn't d product more unstable dan d reactant???? Heres wat i got for d reaction mechanism... *Image* ...

*Image* ...

What is the mechanism of the reaction- Na+C- *Image* C-Na++2CO2→Na+O-OCC *Image* CCOO-Na+ ...

simplify plz:- tan-1( (3a2x-x3)/a(a2-3x2) ) ...

2)0.001 g of C is required to write a letter with a graphite pencil. The total number of C atoms used in writing the letter is 5 x 1012 5 x 1019 5 x 1024 1 x 1020 Your Answer Not Attempted Correct Answer b please show me the ...

a> a fish at a depth d below the water sees a bird flying at a height h above the ground at an apparent distance......??? b> a double convex lens , made of a material of refractive index μ is placed inside two liquids ...

*Image* ...

1.(multiple answer possible) If the sum of the coefficients in the expansion of (2x+y-z)^n is 128, then the value of r for which the coefficient of x^r in the expansion of (1+x)^n is the greatest is (A) 7 (B)3 (C)4 (D)5 ...

what are lipoproteins? ...

The moment of inertia of semicircular ring about its centre is a) MR2 b) *Image* c) *Image* d) None of these ...

*Image* I have a lenghty solution,but if anyone can give a shortcut method for this? ...

If anyone is able to help me out,I will be very glad. I can't answer some questions on my own. Name the following :- 1) The fully developed part of ovary containing a mature egg. 2) Inner membranous layer covering brain and s ...

*Image* ...

*Image* ...

∫ cos 5x+ cos 4x/1-2cos3x ...

*Image* ...

1)Mark the truth: a.Earth is revolving around the Sun. b.Sun is revolving around the Earth. c.Depends on on the Frame of reference we are seeing the bodies from. d.All the above statements are wrong. Your Answer a Correct Ans ...

10)A galvanometer can be converted into an ammeter by connecting a high resistance in series connecting a low resistance in parallel connecting a low resistance in series \connecting a high resistance in parallel Your Answer ...

*Image* ...

*Image* ...

which of the species has the maximum number of lone pair of electrons on the central atom a) [ClO3]- b) XeF4 c) SF4 d) [I3] ...

I'm stuck up with another question. Which part of the electromagnetic spectrum is used for : 1) Crystallography 2) Satellite communication In each case , mention the reason for using the particular electromagnetic rays select ...