A ionic compound is expected to have tetrahedral structure if r_(c)//r_(a) :
An ionic compound is expected to have tetrahedral structure if r_(x)//r_(-) lies in the range of
An ionic compound is expected to have body centred type cubic unit cell if r_(c)//r_(a) :
The value of (b-c)/(r_(1))+(c-a)/(r_(2))+(a-b)/(r_(3)) is equal to
if (1)/(5C_(r))+(1)/(6C_(r))=(1)/(4C_(r)) then the value of r
Two concentric spherical shells have masses m_(1) and m_(2) and radii r_(1) and r_(2) (r_(2) gt r_(1)) . What is the force exerted by this system on a particle of mass m_(3) . If it is placed at a distance r(r_(1) lt r lt r_(2)) from the centre ?
In Delta ABC , if r_(1) lt r_(2) lt r_(3) , then find the order of lengths of the sides
value of the expression (b-c)/(r_(1))+(c-a)/r_(2)+(a-b)/r_(3) is equal to
