Community
Discussions
-
chemistry
wich doesnot has dual property? refer wave and particle nature of atom particles a…photon b…neutrons c…a piece of chalk d…electron
-
best books......
which are best books for iitjee ?
-
defination of force
force is defined by Newton’s first law of motion or second law of motion ?
-
friction
cause of friction is said to be electromagnetic forces between the surfaces of solids in contact. it is defined to be the horizontal component of the contact...
-
proof of avogadro's law
What is proof of the statement: Equal volumeof all gases contain equal no. of molecules under same conditions of temp. and pressure.
-
a problem in chemistry
2 gram of oxide of a metal was completely converted to its chloride. The weight of chloride was found to be 5 gram. What is the equivalent weight of that met...
-
nuclear physics
wat is a positron.pls explain in detail
-
isomerisn
few days ago I asked about Number of isomeric structures of Cumene,the ans to this Q was 7.can you give me reasons for this ans?
-
chemistry _solutions and colligative properties doubt
why solubility of compounds (dissolved with evolution of heat ) decrease with increase in temperature
-
Electro Magnetic Waves
EMW dont require any material medium for there propogation but their veoicity DEPENDS on nature of medium involved…. i.e.c = 1/ (μ0ε0)1/2
-
acidic strength
why does acidic strength increases wid inc in oxidation state
-
crystal field theory
how can we say more or less in tettra and octahedral complexes crystal field spliting as the energy is always 10dq?
-
coordinate compounds
how does pi bonding in ligands affect the strength of the ligand
-
inductors
how can we logically (not using the formula) prove that a condudtor provides an easy path for DC and much difficult for AC?
-
NIT
WANT TO GET ADDMISION IN NIT. PLZ HELP ME I’M CLASS XII. HOW DO I GET IN IT.
-
optics
if a ray of light is incident perpendicularly on a denser medium it passes without any refraction. on applying snells law it gives n=sini/sinr=sin0/sin0=0/0....
-
Minimum AIR/marks
What minimum marks\ AIR should i achieve in the IIT-JEE to be able to do btech in mech eng from IIT-B,IIT-K,IIT-D,IIT-Kh or IIT-M?
-
Isomerism
Number of isomeric structures of Cumene are ?
-
friction
an insect crawls in an hemispherical surface very slowly the coefficient of friction between the surface and insect is 1/3.if the line joining the center of ...
-
friction
during the paddling of bicycle the force of friction exerted by the ground on the wheel is such that it acts in backward direction on the front wheel and in ...
