Two holes of unequal diameters `d_(1)` and `d_(2)(d_(1)gt d_(2))` are cut in metal sheet is heated

Two holes of unequal diameters d_(1) and d_(2)(d_(1)gtd_(2)) are cut in metal sheet is heated

In the arrangement as shown, A and B arc two cylinders each of length L and density d_1 and d_(2)(d_(1)ltd_(2)) respectively. They are joined together and submerged in the liquid of density d with length L//2 of A outside the liquid. If the difference in densities of two cylinders is equal to density of the liquid, find d_(1) .

Two circular discs A and B have equal masses and equal thicknesses but have densities d_(1) and d_(2) such that d_(1) gt d_(2) . Their moments of inertia are related as

A body is placed over the surfaces of two liquids of densities d_1 and d_2 (d_1 gt d_2) separately. If the density of the object is less than both the liquids in which liquids the body immerses more?

Two wire have cross section diameters d_(1) and d_(2) , length L_(1) & L_(2) & densities rho_(1) & rho_(2) such that d_(1) : d_(2) : : 1 : 2 , L_(1) : L_(2):: 2 :1 and rho_(1) : rho_(2) : : 1 : 2 . What weight must be suspended to the 2nd wire if the transverse wave produced in it has the same speed as that produced in 1st wire, which bears a load of 10kg wt .

Two planets have radii r_(1) and r_(2) and densities d_(1) and d_(2) respectively. Then the ratio of acceleration due to gravity on them is

If equal masses of two liquids of densities d_(1) and d_(2) are mixed together, the density of the mixture is

Two planets at mean distance d_(1) and d_(2) from the sun and their frequencies are n and n respectively then

If eta_(1) and eta_(2) are the coefficients of viscosity of two liquids, d_(1) and d_(2) their densities and t_(1) and t_(2) the flow times in Ostwald viscometer, then: