find the common difference of A.P whose first term is 5 and the sum of its first 4 terms is half the sum of next 4 terms
In Zinc blend structure (r[zn2+]+r[s2-]) is equal to? (if edge lenght is a)
In AB...AB...AB type arrangement if all the atoms present in body are removed,then packing fraction of the crystal is?
In a unit cell(cubic)atoms A,B & C are located at corners, face-centres and edge centres respectively. If atoms touching one of the rectangular plane of symmetry and one of the tetrad axis are removed then formula of the compound will be? 1)ABC2 2)AC2 3)AB3C3 4)Both 1)& 2)
What is the concentration of NO3- ions when equal volumes of 0.1M AgNO3 and 0.1M NaCl are mixed together?
The electric field between the two parallel plates of an oscilloscope is 1.2 X 10^5 V/m. If an electron of energy 2 keV enters at right angles to the field, what will be its deflection if the plates are 1.5 cm long?
the vapour pressure of a solution having 2g of solute X ( molar mass=32)in 100g of CS2(vapour pressure = 854 torr)is 848.9 torr. The molecular formula of solute is?
charts for economic and non economic activities
chjarts for economic and non economic activities
charts for cardinal and ordinal utility