a piece of metal floats on mercury .the coefficients of volume expansion of mercury and metal are x1 &x2 respectively .if temperatures of both mercury and metal are increased by an amount T the fraction of metal submeged in mercury changes by the factor
a piece of metal floats on mercury .the coefficients of volume expansion of mercury and metal are x1 &x2 respectively .if temperatures of both mercury and metal are increased by an amount T the fraction of metal submeged in mercury changes by the factor











