Figure shows the variation of susceptibility of a material with 1//T , where T is the temperature. Calculate curie constant of the material.
The given graph shows the variation of resistance of mercury in the temperature range 0 lt T lt 4 K. Name the phenomeon shown by the graph.
Resistance of a resistor at temperature t^@C is R_t =R_0 (1+alphat + betat^2) , where R_0 is the resistance at 0^@C . The temperature coeffcient of resistance at temperature t^@C is
The correct graph which shows the variation of paramagnetic susceptibility S with temperature T is
The figure shows the variation of V with i at temperatures T_(1) and T_(2) . Then T_(1)-T_(2) is proportional to
which of the following graph represents the variation of resistivity ( rho ) with temperature (T) for copper?
A rod of length l with thermally insulated lateral surface consists of material whose heat conductivity coefficient varies with temperature as k= a//T , where a is a constant. The ends of the rod are kept at temperatures T_1 and T_2 . Find the function T(x), where x is the distance from the end whose temperature is T_1 .
In figure shown, the graph shows the variation of acceleration of body with time t . The velcocity of the body at t = 0 is zero. The velocity of the body at t = 30 s is.
Find out the unit and dimensions of the constants a and b in the van der Waal's equation ( P + (a)/(V^(2))) ( V - b ) = R t , where P is pressure , v is volume , R is gas constant , and T is temperature.