Young's modulus of rubber is   and area of cross section is 2 cm² if force of  dyne is applied along its length then its initial length L becomes….

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means 

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means '

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means  or .

PV versus T graph of equal masses of , He and is shown in figure Choose the correct alternative

If  then

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means  .

If     then

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means  or .

Hence Choice 4 is correct

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means  or .

We can only apply the L’Hospital’s rule if the direct substitution returns an indeterminate form, that means .

The graph shown in the adjacent diagram, represents the variation of temperature T of two bodies x and y having same surface area, with time (t) due to emission of radiation. Find the correct relation between emissive power(E) and absorptive power(a) of the two bodies

Two circular disc A and B with equal radii are blackened. They are heated to same temperature and are cooled under identical conditions. What inference do you draw from their cooling curves (R is rate of cooling)