Calorimetry

A block of ice of mass at temperature is put in of water at The of ice melts as the temperature of the water reaches The value of is [Use: Specific heat capacity of water , Latent heat of ice = 3.5 10⁵ JKg^-1]

Under the same load, wire A having length and cross section stretches uniformly by the same amount as another wire of length and a cross section of stretches The ratio of the Young's modulus of wire to that of wire will be :